90534599 has 2 divisors, whose sum is σ = 90534600. Its totient is φ = 90534598.

The previous prime is 90534593. The next prime is 90534611. The reversal of 90534599 is 99543509.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90534599 - 2⁸ = 90534343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90534593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45267299 + 45267300.

It is an arithmetic number, because the mean of its divisors is an integer number (45267300).

Almost surely, 2^90534599 is an apocalyptic number.

90534599 is a deficient number, since it is larger than the sum of its proper divisors (1).

90534599 is an equidigital number, since it uses as much as digits as its factorization.

90534599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 90534599 is about 9514.9671045149. The cubic root of 90534599 is about 449.0260400273.

The spelling of 90534599 in words is "ninety million, five hundred thirty-four thousand, five hundred ninety-nine".