90500063 has 2 divisors, whose sum is σ = 90500064. Its totient is φ = 90500062.

The previous prime is 90499987. The next prime is 90500083. The reversal of 90500063 is 36000509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90500063 - 2¹⁸ = 90237919 is a prime.

It is a super-2 number, since 2×90500063² = 16380522806007938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90500083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45250031 + 45250032.

It is an arithmetic number, because the mean of its divisors is an integer number (45250032).

Almost surely, 2^90500063 is an apocalyptic number.

90500063 is a deficient number, since it is larger than the sum of its proper divisors (1).

90500063 is an equidigital number, since it uses as much as digits as its factorization.

90500063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 90500063 is about 9513.1521064261. The cubic root of 90500063 is about 448.9689364971.

The spelling of 90500063 in words is "ninety million, five hundred thousand, sixty-three".