252232331 has 6 divisors (see below), whose sum is σ = 273127500. Its totient is φ = 232829688.

The previous prime is 252232327. The next prime is 252232333. The reversal of 252232331 is 133232252.

It is not a de Polignac number, because 252232331 - 2² = 252232327 is a prime.

It is a super-2 number, since 2×252232331² = 127242297603387122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252232297 and 252232306.

It is not an unprimeable number, because it can be changed into a prime (252232333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 746081 + ... + 746418.

It is an arithmetic number, because the mean of its divisors is an integer number (45521250).

Almost surely, 2^252232331 is an apocalyptic number.

252232331 is a deficient number, since it is larger than the sum of its proper divisors (20895169).

252232331 is a wasteful number, since it uses less digits than its factorization.

252232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492525 (or 1492512 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 252232331 is about 15881.8239191851. The cubic root of 252232331 is about 631.8300120659.

Adding to 252232331 its reverse (133232252), we get a palindrome (385464583).

The spelling of 252232331 in words is "two hundred fifty-two million, two hundred thirty-two thousand, three hundred thirty-one".