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2512506225 = 35233500083
BaseRepresentation
bin1001010111000001…
…1100110101110001
320111002201112121010
42111300130311301
520121200144400
61053151421133
7116155644015
oct22560346561
96432645533
102512506225
11107a276129
125a15247a9
133106ba998
1419b988545
15ea89b450
hex95c1cd71

2512506225 has 12 divisors (see below), whose sum is σ = 4154010416. Its totient is φ = 1340003280.

The previous prime is 2512506221. The next prime is 2512506239. The reversal of 2512506225 is 5226052152.

2512506225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2512506225 - 22 = 2512506221 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2512506192 and 2512506201.

It is not an unprimeable number, because it can be changed into a prime (2512506221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16749967 + ... + 16750116.

Almost surely, 22512506225 is an apocalyptic number.

2512506225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2512506225 is a deficient number, since it is larger than the sum of its proper divisors (1641504191).

2512506225 is a wasteful number, since it uses less digits than its factorization.

2512506225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33500096 (or 33500091 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2512506225 is about 50124.9062343263. The cubic root of 2512506225 is about 1359.4681861340.

Adding to 2512506225 its reverse (5226052152), we get a palindrome (7738558377).

The spelling of 2512506225 in words is "two billion, five hundred twelve million, five hundred six thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 33500083 100500249 167500415 502501245 837502075 2512506225