258016271 has 4 divisors (see below), whose sum is σ = 258054192. Its totient is φ = 257978352.

The previous prime is 258016247. The next prime is 258016279. The reversal of 258016271 is 172610852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258016271 is a prime.

It is a super-2 number, since 2×258016271² = 133144792201490882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258016279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5630 + ... + 23403.

It is an arithmetic number, because the mean of its divisors is an integer number (64513548).

Almost surely, 2^258016271 is an apocalyptic number.

258016271 is a deficient number, since it is larger than the sum of its proper divisors (37921).

258016271 is an equidigital number, since it uses as much as digits as its factorization.

258016271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37920.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 258016271 is about 16062.8848903303. The cubic root of 258016271 is about 636.6230585459.

The spelling of 258016271 in words is "two hundred fifty-eight million, sixteen thousand, two hundred seventy-one".