65013258 has 16 divisors (see below), whose sum is σ = 130573440. Its totient is φ = 21579936.

The previous prime is 65013257. The next prime is 65013259. The reversal of 65013258 is 85231056.

It is an interprime number because it is at equal distance from previous prime (65013257) and next prime (65013259).

It is not an unprimeable number, because it can be changed into a prime (65013257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21235 + ... + 24102.

It is an arithmetic number, because the mean of its divisors is an integer number (8160840).

Almost surely, 2^65013258 is an apocalyptic number.

65013258 is an abundant number, since it is smaller than the sum of its proper divisors (65560182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65013258 is a wasteful number, since it uses less digits than its factorization.

65013258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45581.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 65013258 is about 8063.0799326312. The cubic root of 65013258 is about 402.0999108118.

The spelling of 65013258 in words is "sixty-five million, thirteen thousand, two hundred fifty-eight".