65290697 has 2 divisors, whose sum is σ = 65290698. Its totient is φ = 65290696.

The previous prime is 65290691. The next prime is 65290699. The reversal of 65290697 is 79609256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62663056 + 2627641 = 7916^2 + 1621^2 .

It is a cyclic number.

It is not a de Polignac number, because 65290697 - 2⁶ = 65290633 is a prime.

It is a super-2 number, since 2×65290697² = 8525750229491618, which contains 22 as substring.

Together with 65290699, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_3856688 and since 65290697 and 3856688 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65290691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32645348 + 32645349.

It is an arithmetic number, because the mean of its divisors is an integer number (32645349).

Almost surely, 2^65290697 is an apocalyptic number.

It is an amenable number.

65290697 is a deficient number, since it is larger than the sum of its proper divisors (1).

65290697 is an equidigital number, since it uses as much as digits as its factorization.

65290697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 65290697 is about 8080.2658990902. The cubic root of 65290697 is about 402.6710757665.

The spelling of 65290697 in words is "sixty-five million, two hundred ninety thousand, six hundred ninety-seven".