65940713 has 2 divisors, whose sum is σ = 65940714. Its totient is φ = 65940712.

The previous prime is 65940709. The next prime is 65940737. The reversal of 65940713 is 31704956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64432729 + 1507984 = 8027^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 65940713 - 2² = 65940709 is a prime.

It is not a weakly prime, because it can be changed into another prime (65949713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32970356 + 32970357.

It is an arithmetic number, because the mean of its divisors is an integer number (32970357).

Almost surely, 2^65940713 is an apocalyptic number.

It is an amenable number.

65940713 is a deficient number, since it is larger than the sum of its proper divisors (1).

65940713 is an equidigital number, since it uses as much as digits as its factorization.

65940713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 65940713 is about 8120.3887222226. The cubic root of 65940713 is about 404.0029592470.

The spelling of 65940713 in words is "sixty-five million, nine hundred forty thousand, seven hundred thirteen".