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2507425 = 52100297
BaseRepresentation
bin1001100100001010100001
311201101112121
421210022201
51120214200
6125424241
730212164
oct11441241
94641477
102507425
111462958
12a0b081
1369a3ab
14493adb
15347e1a
hex2642a1

2507425 has 6 divisors (see below), whose sum is σ = 3109238. Its totient is φ = 2005920.

The previous prime is 2507413. The next prime is 2507467. The reversal of 2507425 is 5247052.

It can be written as a sum of positive squares in 3 ways, for example, as 746496 + 1760929 = 864^2 + 1327^2 .

It is not a de Polignac number, because 2507425 - 29 = 2506913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 100297 = 2507425 / (2 + 5 + 0 + 7 + 4 + 2 + 5).

It is a d-powerful number, because it can be written as 217 + 53 + 0 + 75 + 49 + 221 + 53 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2507425.

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, 50124 + ... + 50173.

22507425 is an apocalyptic number.

2507425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2507425 is a deficient number, since it is larger than the sum of its proper divisors (601813).

2507425 is a wasteful number, since it uses less digits than its factorization.

2507425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100307 (or 100302 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2507425 is about 1583.4850804476. The cubic root of 2507425 is about 135.8551117008.

The spelling of 2507425 in words is "two million, five hundred seven thousand, four hundred twenty-five".

Divisors: 1 5 25 100297 501485 2507425