90195103 has 2 divisors, whose sum is σ = 90195104. Its totient is φ = 90195102.

The previous prime is 90195097. The next prime is 90195139. The reversal of 90195103 is 30159109.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90195103 - 2²⁵ = 56640671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90195163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45097551 + 45097552.

It is an arithmetic number, because the mean of its divisors is an integer number (45097552).

Almost surely, 2^90195103 is an apocalyptic number.

90195103 is a deficient number, since it is larger than the sum of its proper divisors (1).

90195103 is an equidigital number, since it uses as much as digits as its factorization.

90195103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 90195103 is about 9497.1102447008. The cubic root of 90195103 is about 448.4640689046.

The spelling of 90195103 in words is "ninety million, one hundred ninety-five thousand, one hundred three".