65825017 has 2 divisors, whose sum is σ = 65825018. Its totient is φ = 65825016.

The previous prime is 65824981. The next prime is 65825047. The reversal of 65825017 is 71052856.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37405456 + 28419561 = 6116^2 + 5331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65825017 is a prime.

It is not a weakly prime, because it can be changed into another prime (65825047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32912508 + 32912509.

It is an arithmetic number, because the mean of its divisors is an integer number (32912509).

Almost surely, 2^65825017 is an apocalyptic number.

It is an amenable number.

65825017 is a deficient number, since it is larger than the sum of its proper divisors (1).

65825017 is an equidigital number, since it uses as much as digits as its factorization.

65825017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 65825017 is about 8113.2617978221. The cubic root of 65825017 is about 403.7665403608.

The spelling of 65825017 in words is "sixty-five million, eight hundred twenty-five thousand, seventeen".