65213814 has 16 divisors (see below), whose sum is σ = 137292480. Its totient is φ = 20593800.

The previous prime is 65213803. The next prime is 65213849. The reversal of 65213814 is 41831256.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285912 + ... + 286139.

It is an arithmetic number, because the mean of its divisors is an integer number (8580780).

Almost surely, 2^65213814 is an apocalyptic number.

65213814 is an abundant number, since it is smaller than the sum of its proper divisors (72078666).

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

65213814 is a wasteful number, since it uses less digits than its factorization.

65213814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572075.

The product of its digits is 5760, while the sum is 30.

The square root of 65213814 is about 8075.5070429045. The cubic root of 65213814 is about 402.5129587022.

The spelling of 65213814 in words is "sixty-five million, two hundred thirteen thousand, eight hundred fourteen".