257045926 has 8 divisors (see below), whose sum is σ = 389544120. Its totient is φ = 127197888.

The previous prime is 257045923. The next prime is 257045951. The reversal of 257045926 is 629540752.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257045923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662296 + ... + 662683.

It is an arithmetic number, because the mean of its divisors is an integer number (48693015).

Almost surely, 2^257045926 is an apocalyptic number.

257045926 is a deficient number, since it is larger than the sum of its proper divisors (132498194).

257045926 is a wasteful number, since it uses less digits than its factorization.

257045926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325078.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 257045926 is about 16032.6518704798. The cubic root of 257045926 is about 635.8239874600.

The spelling of 257045926 in words is "two hundred fifty-seven million, forty-five thousand, nine hundred twenty-six".