25256079 has 6 divisors (see below), whose sum is σ = 36481016. Its totient is φ = 16837380.

The previous prime is 25256057. The next prime is 25256107. The reversal of 25256079 is 97065252.

25256079 is a `hidden beast` number, since 2 + 525 + 60 + 79 = 666.

It is not a de Polignac number, because 25256079 - 2¹² = 25251983 is a prime.

It is a super-5 number, since 5×25256079⁵ (a number of 38 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25256039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1403107 + ... + 1403124.

Almost surely, 2^25256079 is an apocalyptic number.

25256079 is a deficient number, since it is larger than the sum of its proper divisors (11224937).

25256079 is a wasteful number, since it uses less digits than its factorization.

25256079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806237 (or 2806234 counting only the distinct ones).

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

The square root of 25256079 is about 5025.5426572660. The cubic root of 25256079 is about 293.3967569756.

The spelling of 25256079 in words is "twenty-five million, two hundred fifty-six thousand, seventy-nine".