25865034 has 16 divisors (see below), whose sum is σ = 55709472. Its totient is φ = 7958448.

The previous prime is 25865027. The next prime is 25865083. The reversal of 25865034 is 43056852.

It is a junction number, because it is equal to n+sod(n) for n = 25864986 and 25865004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165724 + ... + 165879.

It is an arithmetic number, because the mean of its divisors is an integer number (3481842).

Almost surely, 2^25865034 is an apocalyptic number.

25865034 is an abundant number, since it is smaller than the sum of its proper divisors (29844438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25865034 is a wasteful number, since it uses less digits than its factorization.

25865034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331621.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25865034 is about 5085.7677886431. The cubic root of 25865034 is about 295.7361067170.

The spelling of 25865034 in words is "twenty-five million, eight hundred sixty-five thousand, thirty-four".