258250578 has 32 divisors (see below), whose sum is σ = 540020736. Its totient is φ = 82178448.

The previous prime is 258250543. The next prime is 258250579. The reversal of 258250578 is 875052852.

It is a super-2 number, since 2×258250578² = 133386722074668168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (258250579) 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, 82225 + ... + 85307.

It is an arithmetic number, because the mean of its divisors is an integer number (16875648).

Almost surely, 2^258250578 is an apocalyptic number.

258250578 is an abundant number, since it is smaller than the sum of its proper divisors (281770158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258250578 is a wasteful number, since it uses less digits than its factorization.

258250578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 258250578 is about 16070.1766636213. The cubic root of 258250578 is about 636.8157080358.

The spelling of 258250578 in words is "two hundred fifty-eight million, two hundred fifty thousand, five hundred seventy-eight".