257159413 has 8 divisors (see below), whose sum is σ = 296644032. Its totient is φ = 218361696.

The previous prime is 257159407. The next prime is 257159423. The reversal of 257159413 is 314951752.

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

It is not a de Polignac number, because 257159413 - 2⁵ = 257159381 is a prime.

It is a super-2 number, since 2×257159413² = 132261927389009138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257159423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170920 + ... + 172417.

It is an arithmetic number, because the mean of its divisors is an integer number (37080504).

Almost surely, 2^257159413 is an apocalyptic number.

It is an amenable number.

257159413 is a deficient number, since it is larger than the sum of its proper divisors (39484619).

257159413 is a wasteful number, since it uses less digits than its factorization.

257159413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343451.

The product of its digits is 37800, while the sum is 37.

The square root of 257159413 is about 16036.1907259798. The cubic root of 257159413 is about 635.9175467981.

The spelling of 257159413 in words is "two hundred fifty-seven million, one hundred fifty-nine thousand, four hundred thirteen".