257319152 has 10 divisors (see below), whose sum is σ = 498555888. Its totient is φ = 128659568.

The previous prime is 257319151. The next prime is 257319169. The reversal of 257319152 is 251913752.

257319152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257319151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8041208 + ... + 8041239.

Almost surely, 2^257319152 is an apocalyptic number.

It is an amenable number.

257319152 is a deficient number, since it is larger than the sum of its proper divisors (241236736).

257319152 is a wasteful number, since it uses less digits than its factorization.

257319152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16082455 (or 16082449 counting only the distinct ones).

The product of its digits is 18900, while the sum is 35.

The square root of 257319152 is about 16041.1705308559. The cubic root of 257319152 is about 636.0491899246.

The spelling of 257319152 in words is "two hundred fifty-seven million, three hundred nineteen thousand, one hundred fifty-two".