251483132 has 12 divisors (see below), whose sum is σ = 444453576. Its totient is φ = 124496400.

The previous prime is 251483131. The next prime is 251483147. The reversal of 251483132 is 231384152.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 251483095 and 251483104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251483131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310838 + ... + 311645.

It is an arithmetic number, because the mean of its divisors is an integer number (37037798).

Almost surely, 2^251483132 is an apocalyptic number.

It is an amenable number.

251483132 is a deficient number, since it is larger than the sum of its proper divisors (192970444).

251483132 is a wasteful number, since it uses less digits than its factorization.

251483132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622588 (or 622586 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 251483132 is about 15858.2196983142. The cubic root of 251483132 is about 631.2038223646.

The spelling of 251483132 in words is "two hundred fifty-one million, four hundred eighty-three thousand, one hundred thirty-two".