90502199 has 2 divisors, whose sum is σ = 90502200. Its totient is φ = 90502198.

The previous prime is 90502157. The next prime is 90502207. The reversal of 90502199 is 99120509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90502199 - 2¹² = 90498103 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90502099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45251099 + 45251100.

It is an arithmetic number, because the mean of its divisors is an integer number (45251100).

Almost surely, 2^90502199 is an apocalyptic number.

90502199 is a deficient number, since it is larger than the sum of its proper divisors (1).

90502199 is an equidigital number, since it uses as much as digits as its factorization.

90502199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 90502199 is about 9513.2643713922. The cubic root of 90502199 is about 448.9724686865.

The spelling of 90502199 in words is "ninety million, five hundred two thousand, one hundred ninety-nine".