252436 has 12 divisors (see below), whose sum is σ = 445312. Its totient is φ = 125208.

The previous prime is 252431. The next prime is 252443. The reversal of 252436 is 634252.

It is a happy number.

252436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252431) 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, 751 + ... + 1033.

2²⁵²⁴³⁶ is an apocalyptic number.

It is an amenable number.

252436 is a deficient number, since it is larger than the sum of its proper divisors (192876).

252436 is a wasteful number, since it uses less digits than its factorization.

252436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 508 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 252436 is about 502.4300946400. The cubic root of 252436 is about 63.2000026705.

Adding to 252436 its reverse (634252), we get a palindrome (886688).

The spelling of 252436 in words is "two hundred fifty-two thousand, four hundred thirty-six".