65057017 has 2 divisors, whose sum is σ = 65057018. Its totient is φ = 65057016.

The previous prime is 65056987. The next prime is 65057039. The reversal of 65057017 is 71075056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41203561 + 23853456 = 6419^2 + 4884^2 .

It is a cyclic number.

It is not a de Polignac number, because 65057017 - 2¹⁵ = 65024249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65057017.

It is not a weakly prime, because it can be changed into another prime (65057417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32528508 + 32528509.

It is an arithmetic number, because the mean of its divisors is an integer number (32528509).

Almost surely, 2^65057017 is an apocalyptic number.

It is an amenable number.

65057017 is a deficient number, since it is larger than the sum of its proper divisors (1).

65057017 is an equidigital number, since it uses as much as digits as its factorization.

65057017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 65057017 is about 8065.7930174286. The cubic root of 65057017 is about 402.1901054598.

The spelling of 65057017 in words is "sixty-five million, fifty-seven thousand, seventeen".