65086613 has 2 divisors, whose sum is σ = 65086614. Its totient is φ = 65086612.

The previous prime is 65086601. The next prime is 65086657. The reversal of 65086613 is 31668056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59336209 + 5750404 = 7703^2 + 2398^2 .

It is a cyclic number.

It is not a de Polignac number, because 65086613 - 2¹⁰ = 65085589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65086673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32543306 + 32543307.

It is an arithmetic number, because the mean of its divisors is an integer number (32543307).

Almost surely, 2^65086613 is an apocalyptic number.

It is an amenable number.

65086613 is a deficient number, since it is larger than the sum of its proper divisors (1).

65086613 is an equidigital number, since it uses as much as digits as its factorization.

65086613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 65086613 is about 8067.6274703286. The cubic root of 65086613 is about 402.2510848609.

The spelling of 65086613 in words is "sixty-five million, eighty-six thousand, six hundred thirteen".