913589 has 2 divisors, whose sum is σ = 913590. Its totient is φ = 913588.

The previous prime is 913579. The next prime is 913637. The reversal of 913589 is 985319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532900 + 380689 = 730^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 913589 - 2⁴ = 913573 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456794 + 456795.

It is an arithmetic number, because the mean of its divisors is an integer number (456795).

2⁹¹³⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

913589 is a deficient number, since it is larger than the sum of its proper divisors (1).

913589 is an equidigital number, since it uses as much as digits as its factorization.

913589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 913589 is about 955.8184974147. The cubic root of 913589 is about 97.0324403488.

The spelling of 913589 in words is "nine hundred thirteen thousand, five hundred eighty-nine".