258056 has 8 divisors (see below), whose sum is σ = 483870. Its totient is φ = 129024.

The previous prime is 258031. The next prime is 258061. The reversal of 258056 is 650852.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 17956 = 490^2 + 134^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 258056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16121 + ... + 16136.

2²⁵⁸⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

258056 is a deficient number, since it is larger than the sum of its proper divisors (225814).

258056 is a wasteful number, since it uses less digits than its factorization.

258056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32263 (or 32259 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 258056 is about 507.9921259232. The cubic root of 258056 is about 63.6655732324.

The spelling of 258056 in words is "two hundred fifty-eight thousand, fifty-six".