252522 has 12 divisors (see below), whose sum is σ = 547170. Its totient is φ = 84168.

The previous prime is 252509. The next prime is 252533. The reversal of 252522 is 225252.

It can be written as a sum of positive squares in only one way, i.e., 251001 + 1521 = 501^2 + 39^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 14029 = 252522 / (2 + 5 + 2 + 5 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 252495 and 252504.

It is an unprimeable number.

252522 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 5 ways as a sum of consecutive naturals, for example, 6997 + ... + 7032.

2²⁵²⁵²² is an apocalyptic number.

252522 is an abundant number, since it is smaller than the sum of its proper divisors (294648).

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

252522 is a wasteful number, since it uses less digits than its factorization.

252522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14037 (or 14034 counting only the distinct ones).

The product of its digits is 400, while the sum is 18.

The square root of 252522 is about 502.5156713974. The cubic root of 252522 is about 63.2071788566.

Adding to 252522 its reverse (225252), we get a palindrome (477774).

The spelling of 252522 in words is "two hundred fifty-two thousand, five hundred twenty-two".