25796505 has 16 divisors (see below), whose sum is σ = 47170944. Its totient is φ = 11792640.

The previous prime is 25796489. The next prime is 25796527. The reversal of 25796505 is 50569752.

It is not a de Polignac number, because 25796505 - 2⁴ = 25796489 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, 122736 + ... + 122945.

It is an arithmetic number, because the mean of its divisors is an integer number (2948184).

Almost surely, 2^25796505 is an apocalyptic number.

It is an amenable number.

25796505 is a deficient number, since it is larger than the sum of its proper divisors (21374439).

25796505 is a wasteful number, since it uses less digits than its factorization.

25796505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245696.

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 25796505 is about 5079.0259893015. The cubic root of 25796505 is about 295.4746929922.

The spelling of 25796505 in words is "twenty-five million, seven hundred ninety-six thousand, five hundred five".