65317069 has 2 divisors, whose sum is σ = 65317070. Its totient is φ = 65317068.

The previous prime is 65317039. The next prime is 65317081. The reversal of 65317069 is 96071356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 15896169 = 7030^2 + 3987^2 .

It is a cyclic number.

It is not a de Polignac number, because 65317069 - 2⁵ = 65317037 is a prime.

It is a super-2 number, since 2×65317069² = 8532639005501522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65317039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32658534 + 32658535.

It is an arithmetic number, because the mean of its divisors is an integer number (32658535).

Almost surely, 2^65317069 is an apocalyptic number.

It is an amenable number.

65317069 is a deficient number, since it is larger than the sum of its proper divisors (1).

65317069 is an equidigital number, since it uses as much as digits as its factorization.

65317069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 65317069 is about 8081.8976113287. The cubic root of 65317069 is about 402.7252836535.

The spelling of 65317069 in words is "sixty-five million, three hundred seventeen thousand, sixty-nine".