258116512 has 12 divisors (see below), whose sum is σ = 508166946. Its totient is φ = 129058240.

The previous prime is 258116503. The next prime is 258116533. The reversal of 258116512 is 215611852.

It can be written as a sum of positive squares in only one way, i.e., 192765456 + 65351056 = 13884^2 + 8084^2 .

It is a super-2 number, since 2×258116512² = 133248267534092288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4033039 + ... + 4033102.

Almost surely, 2^258116512 is an apocalyptic number.

It is an amenable number.

258116512 is a deficient number, since it is larger than the sum of its proper divisors (250050434).

258116512 is an equidigital number, since it uses as much as digits as its factorization.

258116512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066151 (or 8066143 counting only the distinct ones).

The product of its digits is 4800, while the sum is 31.

The square root of 258116512 is about 16066.0048549725. The cubic root of 258116512 is about 636.7054919383.

It can be divided in two parts, 25811 and 6512, that added together give a palindrome (32323).

The spelling of 258116512 in words is "two hundred fifty-eight million, one hundred sixteen thousand, five hundred twelve".