91495603 has 2 divisors, whose sum is σ = 91495604. Its totient is φ = 91495602.

The previous prime is 91495571. The next prime is 91495637. The reversal of 91495603 is 30659419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91495603 - 2⁵ = 91495571 is a prime.

It is not a weakly prime, because it can be changed into another prime (91495903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45747801 + 45747802.

It is an arithmetic number, because the mean of its divisors is an integer number (45747802).

Almost surely, 2^91495603 is an apocalyptic number.

91495603 is a deficient number, since it is larger than the sum of its proper divisors (1).

91495603 is an equidigital number, since it uses as much as digits as its factorization.

91495603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 91495603 is about 9565.3333972214. Note that the first 4 decimals coincide. The cubic root of 91495603 is about 450.6092209402.

The spelling of 91495603 in words is "ninety-one million, four hundred ninety-five thousand, six hundred three".