89455913 has 2 divisors, whose sum is σ = 89455914. Its totient is φ = 89455912.

The previous prime is 89455909. The next prime is 89455937. The reversal of 89455913 is 31955498.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83320384 + 6135529 = 9128^2 + 2477^2 .

It is a cyclic number.

It is not a de Polignac number, because 89455913 - 2² = 89455909 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89455963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44727956 + 44727957.

It is an arithmetic number, because the mean of its divisors is an integer number (44727957).

Almost surely, 2^89455913 is an apocalyptic number.

It is an amenable number.

89455913 is a deficient number, since it is larger than the sum of its proper divisors (1).

89455913 is an equidigital number, since it uses as much as digits as its factorization.

89455913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 89455913 is about 9458.1136068457. The cubic root of 89455913 is about 447.2355842521.

The spelling of 89455913 in words is "eighty-nine million, four hundred fifty-five thousand, nine hundred thirteen".