25210000002 has 64 divisors (see below), whose sum is σ = 55274462208. Its totient is φ = 7601880000.

The previous prime is 25209999977. The next prime is 25210000021. The reversal of 25210000002 is 20000001252.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19376752 + ... + 19378052.

It is an arithmetic number, because the mean of its divisors is an integer number (863663472).

Almost surely, 2^25210000002 is an apocalyptic number.

25210000002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25210000002 is an abundant number, since it is smaller than the sum of its proper divisors (30064462206).

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

25210000002 is a wasteful number, since it uses less digits than its factorization.

25210000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535.

The product of its (nonzero) digits is 40, while the sum is 12.

Adding to 25210000002 its reverse (20000001252), we get a palindrome (45210001254).

The spelling of 25210000002 in words is "twenty-five billion, two hundred ten million, two", and thus it is an aban number.