65447713 has 2 divisors, whose sum is σ = 65447714. Its totient is φ = 65447712.

The previous prime is 65447689. The next prime is 65447737. The reversal of 65447713 is 31774456.

It is a balanced prime because it is at equal distance from previous prime (65447689) and next prime (65447737).

It can be written as a sum of positive squares in only one way, i.e., 50794129 + 14653584 = 7127^2 + 3828^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65447713 is a prime.

It is not a weakly prime, because it can be changed into another prime (65847713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32723856 + 32723857.

It is an arithmetic number, because the mean of its divisors is an integer number (32723857).

Almost surely, 2^65447713 is an apocalyptic number.

It is an amenable number.

65447713 is a deficient number, since it is larger than the sum of its proper divisors (1).

65447713 is an equidigital number, since it uses as much as digits as its factorization.

65447713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 65447713 is about 8089.9760815468. The cubic root of 65447713 is about 402.9936086272.

The spelling of 65447713 in words is "sixty-five million, four hundred forty-seven thousand, seven hundred thirteen".