258642613 has 8 divisors (see below), whose sum is σ = 270539136. Its totient is φ = 246800400.

The previous prime is 258642589. The next prime is 258642653. The reversal of 258642613 is 316246852.

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

It is a cyclic number.

It is not a de Polignac number, because 258642613 - 2⁹ = 258642101 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 (258642653) 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, 3673 + ... + 23038.

It is an arithmetic number, because the mean of its divisors is an integer number (33817392).

Almost surely, 2^258642613 is an apocalyptic number.

258642613 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

258642613 is a deficient number, since it is larger than the sum of its proper divisors (11896523).

258642613 is a wasteful number, since it uses less digits than its factorization.

258642613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27155.

The product of its digits is 69120, while the sum is 37.

The square root of 258642613 is about 16082.3696326132. The cubic root of 258642613 is about 637.1377825962.

The spelling of 258642613 in words is "two hundred fifty-eight million, six hundred forty-two thousand, six hundred thirteen".