89536613 has 2 divisors, whose sum is σ = 89536614. Its totient is φ = 89536612.

The previous prime is 89536553. The next prime is 89536687. The reversal of 89536613 is 31663598.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85784644 + 3751969 = 9262^2 + 1937^2 .

It is a cyclic number.

It is not a de Polignac number, because 89536613 - 2⁸ = 89536357 is a prime.

It is a Sophie Germain 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 (89536693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44768306 + 44768307.

It is an arithmetic number, because the mean of its divisors is an integer number (44768307).

Almost surely, 2^89536613 is an apocalyptic number.

It is an amenable number.

89536613 is a deficient number, since it is larger than the sum of its proper divisors (1).

89536613 is an equidigital number, since it uses as much as digits as its factorization.

89536613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 89536613 is about 9462.3788235306. The cubic root of 89536613 is about 447.3700306060.

The spelling of 89536613 in words is "eighty-nine million, five hundred thirty-six thousand, six hundred thirteen".