258265612 has 12 divisors (see below), whose sum is σ = 493052616. Its totient is φ = 117393440.

The previous prime is 258265591. The next prime is 258265627. The reversal of 258265612 is 216562852.

It is a super-2 number, since 2×258265612² = 133402252683469088, 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 in 3 ways as a sum of consecutive naturals, for example, 2934793 + ... + 2934880.

It is an arithmetic number, because the mean of its divisors is an integer number (41087718).

Almost surely, 2^258265612 is an apocalyptic number.

258265612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

258265612 is a deficient number, since it is larger than the sum of its proper divisors (234787004).

258265612 is a wasteful number, since it uses less digits than its factorization.

258265612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869688 (or 5869686 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 258265612 is about 16070.6444176953. The cubic root of 258265612 is about 636.8280651577.

The spelling of 258265612 in words is "two hundred fifty-eight million, two hundred sixty-five thousand, six hundred twelve".