254657613 has 16 divisors (see below), whose sum is σ = 401431680. Its totient is φ = 140500416.

The previous prime is 254657597. The next prime is 254657621. The reversal of 254657613 is 316756452.

It is not a de Polignac number, because 254657613 - 2⁴ = 254657597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254657413) 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, 208470 + ... + 209687.

It is an arithmetic number, because the mean of its divisors is an integer number (25089480).

Almost surely, 2^254657613 is an apocalyptic number.

It is an amenable number.

254657613 is a deficient number, since it is larger than the sum of its proper divisors (146774067).

254657613 is a wasteful number, since it uses less digits than its factorization.

254657613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418196.

The product of its digits is 151200, while the sum is 39.

The square root of 254657613 is about 15957.9952688300. The cubic root of 254657613 is about 633.8486280605.

The spelling of 254657613 in words is "two hundred fifty-four million, six hundred fifty-seven thousand, six hundred thirteen".