258305271 has 16 divisors (see below), whose sum is σ = 394612224. Its totient is φ = 147226464.

The previous prime is 258305263. The next prime is 258305329. The reversal of 258305271 is 172503852.

It is not a de Polignac number, because 258305271 - 2³ = 258305263 is a prime.

It is a super-2 number, since 2×258305271² = 133443226052766882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258305221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7155 + ... + 23828.

It is an arithmetic number, because the mean of its divisors is an integer number (24663264).

Almost surely, 2^258305271 is an apocalyptic number.

258305271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

258305271 is a deficient number, since it is larger than the sum of its proper divisors (136306953).

258305271 is a wasteful number, since it uses less digits than its factorization.

258305271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31390.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 258305271 is about 16071.8782660895. The cubic root of 258305271 is about 636.8606603754.

The spelling of 258305271 in words is "two hundred fifty-eight million, three hundred five thousand, two hundred seventy-one".