79625025 has 84 divisors (see below), whose sum is σ = 157352652. Its totient is φ = 39813120.

The previous prime is 79624973. The next prime is 79625041. The reversal of 79625025 is 52052697.

79625025 is a `hidden beast` number, since 7 + 9 + 625 + 0 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 8661249 + 70963776 = 2943^2 + 8424^2 .

It is not a de Polignac number, because 79625025 - 2¹⁵ = 79592257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 309697 + ... + 309953.

Almost surely, 2^79625025 is an apocalyptic number.

79625025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79625025 is a deficient number, since it is larger than the sum of its proper divisors (77727627).

79625025 is a wasteful number, since it uses less digits than its factorization.

79625025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 79625025 is about 8923.2855496168. The cubic root of 79625025 is about 430.2126674724.

The spelling of 79625025 in words is "seventy-nine million, six hundred twenty-five thousand, twenty-five".