252628 has 12 divisors (see below), whose sum is σ = 446292. Its totient is φ = 125120.

The previous prime is 252617. The next prime is 252641. The reversal of 252628 is 826252.

It can be written as a sum of positive squares in 2 ways, for example, as 114244 + 138384 = 338^2 + 372^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 318 + ... + 778.

It is an arithmetic number, because the mean of its divisors is an integer number (37191).

2²⁵²⁶²⁸ is an apocalyptic number.

It is an amenable number.

252628 is a deficient number, since it is larger than the sum of its proper divisors (193664).

252628 is a wasteful number, since it uses less digits than its factorization.

252628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 600 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 252628 is about 502.6211296792. The cubic root of 252628 is about 63.2160216818.

The spelling of 252628 in words is "two hundred fifty-two thousand, six hundred twenty-eight".