25000010 has 32 divisors (see below), whose sum is σ = 54138240. Its totient is φ = 8119872.

The previous prime is 25000009. The next prime is 25000033. The reversal of 25000010 is 1000052.

It is a Curzon number.

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, 8069 + ... + 10728.

It is an arithmetic number, because the mean of its divisors is an integer number (1691820).

Almost surely, 2^25000010 is an apocalyptic number.

25000010 is an abundant number, since it is smaller than the sum of its proper divisors (29138230).

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

25000010 is a wasteful number, since it uses less digits than its factorization.

25000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18830.

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 25000010 is about 5000.0009999999. Note that the first 3 decimals coincide. The cubic root of 25000010 is about 292.4018128082.

Subtracting from 25000010 its product of nonzero digits (10), we obtain a square (25000000 = 5000²).

Adding to 25000010 its reverse (1000052), we get a palindrome (26000062).

The spelling of 25000010 in words is "twenty-five million, ten", and thus it is an aban number and an uban number.