89900513 has 2 divisors, whose sum is σ = 89900514. Its totient is φ = 89900512.

The previous prime is 89900507. The next prime is 89900521. The reversal of 89900513 is 31500998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71436304 + 18464209 = 8452^2 + 4297^2 .

It is a cyclic number.

It is not a de Polignac number, because 89900513 - 2²⁰ = 88851937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89909513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44950256 + 44950257.

It is an arithmetic number, because the mean of its divisors is an integer number (44950257).

Almost surely, 2^89900513 is an apocalyptic number.

It is an amenable number.

89900513 is a deficient number, since it is larger than the sum of its proper divisors (1).

89900513 is an equidigital number, since it uses as much as digits as its factorization.

89900513 is an odious number, because the sum of its binary digits is odd.

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

The square root of 89900513 is about 9481.5881053756. The cubic root of 89900513 is about 447.9752872874.

The spelling of 89900513 in words is "eighty-nine million, nine hundred thousand, five hundred thirteen".