257464334 has 8 divisors (see below), whose sum is σ = 386359848. Its totient is φ = 128677720.

The previous prime is 257464327. The next prime is 257464343. The reversal of 257464334 is 433464752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21032 + ... + 30939.

It is an arithmetic number, because the mean of its divisors is an integer number (48294981).

Almost surely, 2^257464334 is an apocalyptic number.

257464334 is a deficient number, since it is larger than the sum of its proper divisors (128895514).

257464334 is a wasteful number, since it uses less digits than its factorization.

257464334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54450.

The product of its digits is 241920, while the sum is 38.

The square root of 257464334 is about 16045.6951859369. The cubic root of 257464334 is about 636.1687891736.

The spelling of 257464334 in words is "two hundred fifty-seven million, four hundred sixty-four thousand, three hundred thirty-four".