252724 has 24 divisors (see below), whose sum is σ = 479808. Its totient is φ = 116160.

The previous prime is 252713. The next prime is 252727. The reversal of 252724 is 427252.

It is a junction number, because it is equal to n+sod(n) for n = 252695 and 252704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3739 + ... + 3805.

It is an arithmetic number, because the mean of its divisors is an integer number (19992).

2²⁵²⁷²⁴ is an apocalyptic number.

It is an amenable number.

252724 is a deficient number, since it is larger than the sum of its proper divisors (227084).

252724 is a wasteful number, since it uses less digits than its factorization.

252724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 133 counting only the distinct ones).

The product of its digits is 1120, while the sum is 22.

The square root of 252724 is about 502.7166199759. The cubic root of 252724 is about 63.2240281439.

Adding to 252724 its reverse (427252), we get a palindrome (679976).

The spelling of 252724 in words is "two hundred fifty-two thousand, seven hundred twenty-four".