252733433 has 4 divisors (see below), whose sum is σ = 253626768. Its totient is φ = 251840100.

The previous prime is 252733409. The next prime is 252733477. The reversal of 252733433 is 334337252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252733433 is a prime.

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 252733433.

It is not an unprimeable number, because it can be changed into a prime (252733493) 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, 446243 + ... + 446808.

It is an arithmetic number, because the mean of its divisors is an integer number (63406692).

Almost surely, 2^252733433 is an apocalyptic number.

It is an amenable number.

252733433 is a deficient number, since it is larger than the sum of its proper divisors (893335).

252733433 is an equidigital number, since it uses as much as digits as its factorization.

252733433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893334.

The product of its digits is 45360, while the sum is 32.

The square root of 252733433 is about 15897.5920503704. The cubic root of 252733433 is about 632.2481475277.

The spelling of 252733433 in words is "two hundred fifty-two million, seven hundred thirty-three thousand, four hundred thirty-three".