65013589 has 2 divisors, whose sum is σ = 65013590. Its totient is φ = 65013588.

The previous prime is 65013587. The next prime is 65013623. The reversal of 65013589 is 98531056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52446564 + 12567025 = 7242^2 + 3545^2 .

It is a cyclic number.

It is not a de Polignac number, because 65013589 - 2¹ = 65013587 is a prime.

Together with 65013587, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65013583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32506794 + 32506795.

It is an arithmetic number, because the mean of its divisors is an integer number (32506795).

Almost surely, 2^65013589 is an apocalyptic number.

It is an amenable number.

65013589 is a deficient number, since it is larger than the sum of its proper divisors (1).

65013589 is an equidigital number, since it uses as much as digits as its factorization.

65013589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 65013589 is about 8063.1004582605. The cubic root of 65013589 is about 402.1005932103.

The spelling of 65013589 in words is "sixty-five million, thirteen thousand, five hundred eighty-nine".