89259913 has 2 divisors, whose sum is σ = 89259914. Its totient is φ = 89259912.

The previous prime is 89259901. The next prime is 89259917. The reversal of 89259913 is 31995298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87104889 + 2155024 = 9333^2 + 1468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89259913 is a prime.

It is not a weakly prime, because it can be changed into another prime (89259917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44629956 + 44629957.

It is an arithmetic number, because the mean of its divisors is an integer number (44629957).

Almost surely, 2^89259913 is an apocalyptic number.

It is an amenable number.

89259913 is a deficient number, since it is larger than the sum of its proper divisors (1).

89259913 is an equidigital number, since it uses as much as digits as its factorization.

89259913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 46.

The square root of 89259913 is about 9447.7464508739. The cubic root of 89259913 is about 446.9087108610.

The spelling of 89259913 in words is "eighty-nine million, two hundred fifty-nine thousand, nine hundred thirteen".