251625372 has 24 divisors (see below), whose sum is σ = 593181456. Its totient is φ = 83010048.

The previous prime is 251625337. The next prime is 251625377. The reversal of 251625372 is 273526152.

251625372 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251625377) 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, 106923 + ... + 109250.

It is an arithmetic number, because the mean of its divisors is an integer number (24715894).

Almost surely, 2^251625372 is an apocalyptic number.

It is an amenable number.

251625372 is an abundant number, since it is smaller than the sum of its proper divisors (341556084).

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

251625372 is a wasteful number, since it uses less digits than its factorization.

251625372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216277 (or 216275 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 251625372 is about 15862.7038048373. The cubic root of 251625372 is about 631.3228038502.

The spelling of 251625372 in words is "two hundred fifty-one million, six hundred twenty-five thousand, three hundred seventy-two".