251374364725 has 48 divisors (see below), whose sum is σ = 356765022720. Its totient is φ = 174019680000.

The previous prime is 251374364701. The next prime is 251374364749. The reversal of 251374364725 is 527463473152.

It is an interprime number because it is at equal distance from previous prime (251374364701) and next prime (251374364749).

It is not a de Polignac number, because 251374364725 - 2²⁵ = 251340810293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278331 + ... + 761719.

It is an arithmetic number, because the mean of its divisors is an integer number (7432604640).

Almost surely, 2^251374364725 is an apocalyptic number.

251374364725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

251374364725 is a deficient number, since it is larger than the sum of its proper divisors (105390657995).

251374364725 is a wasteful number, since it uses less digits than its factorization.

251374364725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483502 (or 483497 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 49.

The spelling of 251374364725 in words is "two hundred fifty-one billion, three hundred seventy-four million, three hundred sixty-four thousand, seven hundred twenty-five".