65315051 has 2 divisors, whose sum is σ = 65315052. Its totient is φ = 65315050.

The previous prime is 65315039. The next prime is 65315057. The reversal of 65315051 is 15051356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65315051 - 2⁶ = 65314987 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65315051.

It is not a weakly prime, because it can be changed into another prime (65315057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32657525 + 32657526.

It is an arithmetic number, because the mean of its divisors is an integer number (32657526).

Almost surely, 2^65315051 is an apocalyptic number.

65315051 is a deficient number, since it is larger than the sum of its proper divisors (1).

65315051 is an equidigital number, since it uses as much as digits as its factorization.

65315051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 65315051 is about 8081.7727634474. The cubic root of 65315051 is about 402.7211361516.

The spelling of 65315051 in words is "sixty-five million, three hundred fifteen thousand, fifty-one".