252694155 has 32 divisors (see below), whose sum is σ = 466329600. Its totient is φ = 114452352.

The previous prime is 252694133. The next prime is 252694159. The reversal of 252694155 is 551496252.

It is not a de Polignac number, because 252694155 - 2⁹ = 252693643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252694159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406 + ... + 22484.

It is an arithmetic number, because the mean of its divisors is an integer number (14572800).

Almost surely, 2^252694155 is an apocalyptic number.

252694155 is a deficient number, since it is larger than the sum of its proper divisors (213635445).

252694155 is a wasteful number, since it uses less digits than its factorization.

252694155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22203.

The product of its digits is 108000, while the sum is 39.

The square root of 252694155 is about 15896.3566580522. The cubic root of 252694155 is about 632.2153926879.

The spelling of 252694155 in words is "two hundred fifty-two million, six hundred ninety-four thousand, one hundred fifty-five".