65789137 has 2 divisors, whose sum is σ = 65789138. Its totient is φ = 65789136.

The previous prime is 65789111. The next prime is 65789147. The reversal of 65789137 is 73198756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43877376 + 21911761 = 6624^2 + 4681^2 .

It is a cyclic number.

It is not a de Polignac number, because 65789137 - 2²³ = 57400529 is a prime.

It is not a weakly prime, because it can be changed into another prime (65789147) 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, 32894568 + 32894569.

It is an arithmetic number, because the mean of its divisors is an integer number (32894569).

Almost surely, 2^65789137 is an apocalyptic number.

It is an amenable number.

65789137 is a deficient number, since it is larger than the sum of its proper divisors (1).

65789137 is an equidigital number, since it uses as much as digits as its factorization.

65789137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 46.

The square root of 65789137 is about 8111.0503019030. The cubic root of 65789137 is about 403.6931651349.

The spelling of 65789137 in words is "sixty-five million, seven hundred eighty-nine thousand, one hundred thirty-seven".