258061513 has 8 divisors (see below), whose sum is σ = 273937032. Its totient is φ = 242263296.

The previous prime is 258061511. The next prime is 258061549. The reversal of 258061513 is 315160852.

It can be written as a sum of positive squares in 4 ways, for example, as 90022144 + 168039369 = 9488^2 + 12963^2 .

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 258061513 - 2¹ = 258061511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258061511) 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, 12370 + ... + 25867.

It is an arithmetic number, because the mean of its divisors is an integer number (34242129).

Almost surely, 2^258061513 is an apocalyptic number.

It is an amenable number.

258061513 is a deficient number, since it is larger than the sum of its proper divisors (15875519).

258061513 is a wasteful number, since it uses less digits than its factorization.

258061513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38651.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 258061513 is about 16064.2931061407. The cubic root of 258061513 is about 636.6602660407.

The spelling of 258061513 in words is "two hundred fifty-eight million, sixty-one thousand, five hundred thirteen".