252251231 has 4 divisors (see below), whose sum is σ = 252283392. Its totient is φ = 252219072.

The previous prime is 252251227. The next prime is 252251249. The reversal of 252251231 is 132152252.

252251231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 252251231 - 2² = 252251227 is a prime.

It is a super-2 number, since 2×252251231² = 127261367082030722, 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 = 252251197 and 252251206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252251291) 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, 4271 + ... + 22863.

It is an arithmetic number, because the mean of its divisors is an integer number (63070848).

Almost surely, 2^252251231 is an apocalyptic number.

252251231 is a deficient number, since it is larger than the sum of its proper divisors (32161).

252251231 is a wasteful number, since it uses less digits than its factorization.

252251231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32160.

The product of its digits is 1200, while the sum is 23.

The square root of 252251231 is about 15882.4189278586. The cubic root of 252251231 is about 631.8457928726.

The spelling of 252251231 in words is "two hundred fifty-two million, two hundred fifty-one thousand, two hundred thirty-one".