65934513 has 8 divisors (see below), whose sum is σ = 97680800. Its totient is φ = 43956324.

The previous prime is 65934509. The next prime is 65934553. The reversal of 65934513 is 31543956.

It is not a de Polignac number, because 65934513 - 2² = 65934509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65934553) 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, 1220983 + ... + 1221036.

It is an arithmetic number, because the mean of its divisors is an integer number (12210100).

Almost surely, 2^65934513 is an apocalyptic number.

It is an amenable number.

65934513 is a deficient number, since it is larger than the sum of its proper divisors (31746287).

65934513 is a wasteful number, since it uses less digits than its factorization.

65934513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442028 (or 2442022 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 65934513 is about 8120.0069581251. The cubic root of 65934513 is about 403.9902968784.

The spelling of 65934513 in words is "sixty-five million, nine hundred thirty-four thousand, five hundred thirteen".