65763913 has 2 divisors, whose sum is σ = 65763914. Its totient is φ = 65763912.

The previous prime is 65763889. The next prime is 65763931. The reversal of 65763913 is 31936756.

Together with next prime (65763931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46076944 + 19686969 = 6788^2 + 4437^2 .

It is a cyclic number.

It is not a de Polignac number, because 65763913 - 2¹³ = 65755721 is a prime.

It is equal to p_3882946 and since 65763913 and 3882946 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (65763953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32881956 + 32881957.

It is an arithmetic number, because the mean of its divisors is an integer number (32881957).

Almost surely, 2^65763913 is an apocalyptic number.

It is an amenable number.

65763913 is a deficient number, since it is larger than the sum of its proper divisors (1).

65763913 is an equidigital number, since it uses as much as digits as its factorization.

65763913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 40.

The square root of 65763913 is about 8109.4952370662. The cubic root of 65763913 is about 403.6415656433.

The spelling of 65763913 in words is "sixty-five million, seven hundred sixty-three thousand, nine hundred thirteen".