25131434052 has 24 divisors (see below), whose sum is σ = 58644913600. Its totient is φ = 8376444576.

The previous prime is 25131434047. The next prime is 25131434057. The reversal of 25131434052 is 25043413152.

It is an interprime number because it is at equal distance from previous prime (25131434047) and next prime (25131434057).

It is not an unprimeable number, because it can be changed into a prime (25131434057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73974 + ... + 236082.

Almost surely, 2^25131434052 is an apocalyptic number.

It is an amenable number.

25131434052 is an abundant number, since it is smaller than the sum of its proper divisors (33513479548).

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

25131434052 is a wasteful number, since it uses less digits than its factorization.

25131434052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175035 (or 175033 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 25131434052 in words is "twenty-five billion, one hundred thirty-one million, four hundred thirty-four thousand, fifty-two".