251132 has 12 divisors (see below), whose sum is σ = 502320. Its totient is φ = 107616.

The previous prime is 251117. The next prime is 251143. The reversal of 251132 is 231152.

It is a happy number.

251132 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 251132.

It is an unprimeable number.

251132 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4457 + ... + 4512.

It is an arithmetic number, because the mean of its divisors is an integer number (41860).

2²⁵¹¹³² is an apocalyptic number.

It is an amenable number.

251132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

251132 is a wasteful number, since it uses less digits than its factorization.

251132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980 (or 8978 counting only the distinct ones).

The product of its digits is 60, while the sum is 14.

The square root of 251132 is about 501.1307214690. The cubic root of 251132 is about 63.0909913861.

Adding to 251132 its reverse (231152), we get a palindrome (482284).

It can be divided in two parts, 251 and 132, that added together give a palindrome (383).

The spelling of 251132 in words is "two hundred fifty-one thousand, one hundred thirty-two".