252204243 has 16 divisors (see below), whose sum is σ = 347711616. Its totient is φ = 162493760.

The previous prime is 252204229. The next prime is 252204287. The reversal of 252204243 is 342402252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 252204243 - 2⁶ = 252204179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252204143) 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 15 ways as a sum of consecutive naturals, for example, 3580 + ... + 22742.

It is an arithmetic number, because the mean of its divisors is an integer number (21731976).

Almost surely, 2^252204243 is an apocalyptic number.

252204243 is a deficient number, since it is larger than the sum of its proper divisors (95507373).

252204243 is a wasteful number, since it uses less digits than its factorization.

252204243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19314.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 252204243 is about 15880.9396132597. The cubic root of 252204243 is about 631.8065581599.

Adding to 252204243 its reverse (342402252), we get a palindrome (594606495).

The spelling of 252204243 in words is "two hundred fifty-two million, two hundred four thousand, two hundred forty-three".