258093256 has 8 divisors (see below), whose sum is σ = 483924870. Its totient is φ = 129046624.

The previous prime is 258093233. The next prime is 258093271. The reversal of 258093256 is 652390852.

It can be written as a sum of positive squares in only one way, i.e., 248692900 + 9400356 = 15770^2 + 3066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×258093256² = 133224257585363072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16130821 + ... + 16130836.

Almost surely, 2^258093256 is an apocalyptic number.

It is an amenable number.

258093256 is a deficient number, since it is larger than the sum of its proper divisors (225831614).

258093256 is a wasteful number, since it uses less digits than its factorization.

258093256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32261663 (or 32261659 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 258093256 is about 16065.2810744163. The cubic root of 258093256 is about 636.6863692205.

The spelling of 258093256 in words is "two hundred fifty-eight million, ninety-three thousand, two hundred fifty-six".