252418791 has 16 divisors (see below), whose sum is σ = 341371008. Its totient is φ = 165890400.

The previous prime is 252418763. The next prime is 252418823. The reversal of 252418791 is 197814252.

It is not a de Polignac number, because 252418791 - 2⁵ = 252418759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252418741) 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 15 ways as a sum of consecutive naturals, for example, 59656 + ... + 63746.

It is an arithmetic number, because the mean of its divisors is an integer number (21335688).

Almost surely, 2^252418791 is an apocalyptic number.

252418791 is a deficient number, since it is larger than the sum of its proper divisors (88952217).

252418791 is a wasteful number, since it uses less digits than its factorization.

252418791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382.

The product of its digits is 40320, while the sum is 39.

The square root of 252418791 is about 15887.6930672769. The cubic root of 252418791 is about 631.9856648661.

The spelling of 252418791 in words is "two hundred fifty-two million, four hundred eighteen thousand, seven hundred ninety-one".