257418852 has 24 divisors (see below), whose sum is σ = 626759616. Its totient is φ = 82075488.

The previous prime is 257418851. The next prime is 257418857. The reversal of 257418852 is 258814752.

It is not an unprimeable number, because it can be changed into a prime (257418851) 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 7 ways as a sum of consecutive naturals, for example, 466063 + ... + 466614.

It is an arithmetic number, because the mean of its divisors is an integer number (26114984).

Almost surely, 2^257418852 is an apocalyptic number.

It is an amenable number.

257418852 is an abundant number, since it is smaller than the sum of its proper divisors (369340764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257418852 is a wasteful number, since it uses less digits than its factorization.

257418852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932707 (or 932705 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 257418852 is about 16044.2778584765. The cubic root of 257418852 is about 636.1313264665.

The spelling of 257418852 in words is "two hundred fifty-seven million, four hundred eighteen thousand, eight hundred fifty-two".