257834613 has 16 divisors (see below), whose sum is σ = 349422080. Its totient is φ = 169081344.

The previous prime is 257834581. The next prime is 257834627. The reversal of 257834613 is 316438752.

It is not a de Polignac number, because 257834613 - 2⁵ = 257834581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257834653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93468 + ... + 96186.

It is an arithmetic number, because the mean of its divisors is an integer number (21838880).

Almost surely, 2^257834613 is an apocalyptic number.

It is an amenable number.

257834613 is a deficient number, since it is larger than the sum of its proper divisors (91587467).

257834613 is a wasteful number, since it uses less digits than its factorization.

257834613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228.

The product of its digits is 120960, while the sum is 39.

The square root of 257834613 is about 16057.2293064526. The cubic root of 257834613 is about 636.4736172949.

The spelling of 257834613 in words is "two hundred fifty-seven million, eight hundred thirty-four thousand, six hundred thirteen".