25134245252 has 12 divisors (see below), whose sum is σ = 45057732636. Its totient is φ = 12260607360.

The previous prime is 25134245249. The next prime is 25134245267. The reversal of 25134245252 is 25254243152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14512057156 + 10622188096 = 120466^2 + 103064^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76628633 + ... + 76628960.

It is an arithmetic number, because the mean of its divisors is an integer number (3754811053).

Almost surely, 2^25134245252 is an apocalyptic number.

It is an amenable number.

25134245252 is a deficient number, since it is larger than the sum of its proper divisors (19923487384).

25134245252 is a wasteful number, since it uses less digits than its factorization.

25134245252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153257638 (or 153257636 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The spelling of 25134245252 in words is "twenty-five billion, one hundred thirty-four million, two hundred forty-five thousand, two hundred fifty-two".