258312271 has 16 divisors (see below), whose sum is σ = 305510400. Its totient is φ = 218271480.

The previous prime is 258312221. The next prime is 258312283. The reversal of 258312271 is 172213852.

It is a de Polignac number, because none of the positive numbers 2^k-258312271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258312221) 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, 19050 + ... + 29656.

It is an arithmetic number, because the mean of its divisors is an integer number (19094400).

Almost surely, 2^258312271 is an apocalyptic number.

258312271 is a deficient number, since it is larger than the sum of its proper divisors (47198129).

258312271 is an equidigital number, since it uses as much as digits as its factorization.

258312271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10699 (or 10685 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 258312271 is about 16072.0960362984. The cubic root of 258312271 is about 636.8664132382.

The spelling of 258312271 in words is "two hundred fifty-eight million, three hundred twelve thousand, two hundred seventy-one".