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250027025 = 5210001081
BaseRepresentation
bin11101110011100…
…01110000010001
3122102110200121012
432321301300101
51003001331100
640450540305
76124123523
oct1671616021
9572420535
10250027025
11119152006
126b897695
133ca51ab1
14252c5a13
1516e3c135
hexee71c11

250027025 has 6 divisors (see below), whose sum is σ = 310033542. Its totient is φ = 200021600.

The previous prime is 250027013. The next prime is 250027031. The reversal of 250027025 is 520720052.

250027025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3411409 + 246615616 = 1847^2 + 15704^2 .

It is not a de Polignac number, because 250027025 - 26 = 250026961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5000516 + ... + 5000565.

It is an arithmetic number, because the mean of its divisors is an integer number (51672257).

Almost surely, 2250027025 is an apocalyptic number.

250027025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250027025 is a deficient number, since it is larger than the sum of its proper divisors (60006517).

250027025 is a wasteful number, since it uses less digits than its factorization.

250027025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001091 (or 10001086 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 250027025 is about 15812.2428832851. The cubic root of 250027025 is about 629.9832237071.

Adding to 250027025 its reverse (520720052), we get a palindrome (770747077).

The spelling of 250027025 in words is "two hundred fifty million, twenty-seven thousand, twenty-five".

Divisors: 1 5 25 10001081 50005405 250027025