257159253 has 16 divisors (see below), whose sum is σ = 370016640. Its totient is φ = 157925184.

The previous prime is 257159209. The next prime is 257159267. The reversal of 257159253 is 352951752.

It is not a de Polignac number, because 257159253 - 2¹⁰ = 257158229 is a prime.

It is a super-2 number, since 2×257159253² = 132261762807036018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257159753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13063 + ... + 26171.

It is an arithmetic number, because the mean of its divisors is an integer number (23126040).

Almost surely, 2^257159253 is an apocalyptic number.

It is an amenable number.

257159253 is a deficient number, since it is larger than the sum of its proper divisors (112857387).

257159253 is a wasteful number, since it uses less digits than its factorization.

257159253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13628.

The product of its digits is 94500, while the sum is 39.

The square root of 257159253 is about 16036.1857372631. The cubic root of 257159253 is about 635.9174149126.

The spelling of 257159253 in words is "two hundred fifty-seven million, one hundred fifty-nine thousand, two hundred fifty-three".