65497907 has 2 divisors, whose sum is σ = 65497908. Its totient is φ = 65497906.

The previous prime is 65497903. The next prime is 65497937. The reversal of 65497907 is 70979456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65497907 - 2² = 65497903 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65497903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32748953 + 32748954.

It is an arithmetic number, because the mean of its divisors is an integer number (32748954).

Almost surely, 2^65497907 is an apocalyptic number.

65497907 is a deficient number, since it is larger than the sum of its proper divisors (1).

65497907 is an equidigital number, since it uses as much as digits as its factorization.

65497907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The square root of 65497907 is about 8093.0777211145. The cubic root of 65497907 is about 403.0966053113.

The spelling of 65497907 in words is "sixty-five million, four hundred ninety-seven thousand, nine hundred seven".