257475487233 has 32 divisors (see below), whose sum is σ = 362234851200. Its totient is φ = 162426607616.

The previous prime is 257475487169. The next prime is 257475487277. The reversal of 257475487233 is 332784574752.

It is a happy number.

257475487233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 257475487233 - 2⁶ = 257475487169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (257475487733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4253566 + ... + 4313672.

It is an arithmetic number, because the mean of its divisors is an integer number (11319839100).

Almost surely, 2^257475487233 is an apocalyptic number.

It is an amenable number.

257475487233 is a deficient number, since it is larger than the sum of its proper divisors (104759363967).

257475487233 is a wasteful number, since it uses less digits than its factorization.

257475487233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61121.

The product of its digits is 39513600, while the sum is 57.

The spelling of 257475487233 in words is "two hundred fifty-seven billion, four hundred seventy-five million, four hundred eighty-seven thousand, two hundred thirty-three".