25000025002 has 16 divisors (see below), whose sum is σ = 39804961032. Its totient is φ = 11735372800.

The previous prime is 25000024997. The next prime is 25000025023. The reversal of 25000025002 is 20052000052.

It can be written as a sum of positive squares in 4 ways, for example, as 22952553001 + 2047472001 = 151501^2 + 45249^2 .

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, 903193 + ... + 930460.

Almost surely, 2^25000025002 is an apocalyptic number.

25000025002 is a deficient number, since it is larger than the sum of its proper divisors (14804936030).

25000025002 is a wasteful number, since it uses less digits than its factorization.

25000025002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834073.

The product of its (nonzero) digits is 200, while the sum is 16.

Adding to 25000025002 its reverse (20052000052), we get a palindrome (45052025054).

The spelling of 25000025002 in words is "twenty-five billion, twenty-five thousand, two".