252331106 has 4 divisors (see below), whose sum is σ = 378496662. Its totient is φ = 126165552.

The previous prime is 252331087. The next prime is 252331133. The reversal of 252331106 is 601133252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 203205025 + 49126081 = 14255^2 + 7009^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 63082775 + ... + 63082778.

Almost surely, 2^252331106 is an apocalyptic number.

252331106 is a deficient number, since it is larger than the sum of its proper divisors (126165556).

252331106 is a wasteful number, since it uses less digits than its factorization.

252331106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126165555.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 252331106 is about 15884.9333017171. The cubic root of 252331106 is about 631.9124768640.

Adding to 252331106 its reverse (601133252), we get a palindrome (853464358).

The spelling of 252331106 in words is "two hundred fifty-two million, three hundred thirty-one thousand, one hundred six".