25313512134 has 16 divisors (see below), whose sum is σ = 50631958080. Its totient is φ = 8437015080.

The previous prime is 25313512123. The next prime is 25313512153. The reversal of 25313512134 is 43121531352.

It is a congruent number.

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, 137124 + ... + 263495.

It is an arithmetic number, because the mean of its divisors is an integer number (3164497380).

Almost surely, 2^25313512134 is an apocalyptic number.

25313512134 is an abundant number, since it is smaller than the sum of its proper divisors (25318445946).

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

25313512134 is a wasteful number, since it uses less digits than its factorization.

25313512134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411155.

The product of its digits is 10800, while the sum is 30.

The spelling of 25313512134 in words is "twenty-five billion, three hundred thirteen million, five hundred twelve thousand, one hundred thirty-four".