65160731 has 2 divisors, whose sum is σ = 65160732. Its totient is φ = 65160730.

The previous prime is 65160661. The next prime is 65160751. The reversal of 65160731 is 13706156.

65160731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65160731 is a prime.

It is a super-2 number, since 2×65160731² = 8491841728908722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 65160694 and 65160703.

It is not a weakly prime, because it can be changed into another prime (65160751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32580365 + 32580366.

It is an arithmetic number, because the mean of its divisors is an integer number (32580366).

Almost surely, 2^65160731 is an apocalyptic number.

65160731 is a deficient number, since it is larger than the sum of its proper divisors (1).

65160731 is an equidigital number, since it uses as much as digits as its factorization.

65160731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 65160731 is about 8072.2197071190. The cubic root of 65160731 is about 402.4037160226.

Adding to 65160731 its reverse (13706156), we get a palindrome (78866887).

The spelling of 65160731 in words is "sixty-five million, one hundred sixty thousand, seven hundred thirty-one".