25679065 has 16 divisors (see below), whose sum is σ = 32029200. Its totient is φ = 19740672.

The previous prime is 25679053. The next prime is 25679099. The reversal of 25679065 is 56097652.

It can be written as a sum of positive squares in 8 ways, for example, as 34969 + 25644096 = 187^2 + 5064^2 .

It is a cyclic number.

It is not a de Polignac number, because 25679065 - 2¹¹ = 25677017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59089 + ... + 59521.

It is an arithmetic number, because the mean of its divisors is an integer number (2001825).

Almost surely, 2^25679065 is an apocalyptic number.

It is an amenable number.

25679065 is a deficient number, since it is larger than the sum of its proper divisors (6350135).

25679065 is a wasteful number, since it uses less digits than its factorization.

25679065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 25679065 is about 5067.4515291219. The cubic root of 25679065 is about 295.0256225949.

The spelling of 25679065 in words is "twenty-five million, six hundred seventy-nine thousand, sixty-five".