65340817 has 2 divisors, whose sum is σ = 65340818. Its totient is φ = 65340816.

The previous prime is 65340797. The next prime is 65340823. The reversal of 65340817 is 71804356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 13845841 = 7176^2 + 3721^2 .

It is a cyclic number.

It is not a de Polignac number, because 65340817 - 2⁷ = 65340689 is a prime.

It is not a weakly prime, because it can be changed into another prime (65340887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32670408 + 32670409.

It is an arithmetic number, because the mean of its divisors is an integer number (32670409).

Almost surely, 2^65340817 is an apocalyptic number.

It is an amenable number.

65340817 is a deficient number, since it is larger than the sum of its proper divisors (1).

65340817 is an equidigital number, since it uses as much as digits as its factorization.

65340817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 65340817 is about 8083.3666872164. The cubic root of 65340817 is about 402.7740854002.

The spelling of 65340817 in words is "sixty-five million, three hundred forty thousand, eight hundred seventeen".