90201499 has 2 divisors, whose sum is σ = 90201500. Its totient is φ = 90201498.

The previous prime is 90201467. The next prime is 90201509. The reversal of 90201499 is 99410209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90201499 - 2⁵ = 90201467 is a prime.

It is not a weakly prime, because it can be changed into another prime (90201799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45100749 + 45100750.

It is an arithmetic number, because the mean of its divisors is an integer number (45100750).

Almost surely, 2^90201499 is an apocalyptic number.

90201499 is a deficient number, since it is larger than the sum of its proper divisors (1).

90201499 is an equidigital number, since it uses as much as digits as its factorization.

90201499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 90201499 is about 9497.4469727396. The cubic root of 90201499 is about 448.4746692894.

The spelling of 90201499 in words is "ninety million, two hundred one thousand, four hundred ninety-nine".