25565034 has 32 divisors (see below), whose sum is σ = 55961280. Its totient is φ = 7721600.

The previous prime is 25565021. The next prime is 25565053. The reversal of 25565034 is 43056552.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25564992 and 25565010.

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, 33214 + ... + 33974.

It is an arithmetic number, because the mean of its divisors is an integer number (1748790).

Almost surely, 2^25565034 is an apocalyptic number.

25565034 is an abundant number, since it is smaller than the sum of its proper divisors (30396246).

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

25565034 is a wasteful number, since it uses less digits than its factorization.

25565034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 25565034 is about 5056.1876943009. The cubic root of 25565034 is about 294.5882755808.

The spelling of 25565034 in words is "twenty-five million, five hundred sixty-five thousand, thirty-four".