252725331 has 16 divisors (see below), whose sum is σ = 342955008. Its totient is φ = 165516000.

The previous prime is 252725293. The next prime is 252725351. The reversal of 252725331 is 133527252.

It is a happy number.

It is not a de Polignac number, because 252725331 - 2⁷ = 252725203 is a prime.

It is a super-2 number, since 2×252725331² = 127740185858119122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252725351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36510 + ... + 42876.

It is an arithmetic number, because the mean of its divisors is an integer number (21434688).

Almost surely, 2^252725331 is an apocalyptic number.

252725331 is a deficient number, since it is larger than the sum of its proper divisors (90229677).

252725331 is a wasteful number, since it uses less digits than its factorization.

252725331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602.

The product of its digits is 12600, while the sum is 30.

The square root of 252725331 is about 15897.3372298634. The cubic root of 252725331 is about 632.2413913589.

It can be divided in two parts, 25272 and 5331, that added together give a palindrome (30603).

The spelling of 252725331 in words is "two hundred fifty-two million, seven hundred twenty-five thousand, three hundred thirty-one".