252008531 has 4 divisors (see below), whose sum is σ = 253063200. Its totient is φ = 250953864.

The previous prime is 252008503. The next prime is 252008543. The reversal of 252008531 is 135800252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252008531 - 2⁶ = 252008467 is a prime.

It is a super-2 number, since 2×252008531² = 127016599393555922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252008531.

It is not an unprimeable number, because it can be changed into a prime (252008131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526976 + ... + 527453.

It is an arithmetic number, because the mean of its divisors is an integer number (63265800).

Almost surely, 2^252008531 is an apocalyptic number.

252008531 is a deficient number, since it is larger than the sum of its proper divisors (1054669).

252008531 is a wasteful number, since it uses less digits than its factorization.

252008531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054668.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 252008531 is about 15874.7765653568. The cubic root of 252008531 is about 631.6430873127.

Adding to 252008531 its reverse (135800252), we get a palindrome (387808783).

The spelling of 252008531 in words is "two hundred fifty-two million, eight thousand, five hundred thirty-one".