91413103 has 4 divisors (see below), whose sum is σ = 91573768. Its totient is φ = 91252440.

The previous prime is 91413089. The next prime is 91413107. The reversal of 91413103 is 30131419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91413103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91413107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79476 + ... + 80617.

It is an arithmetic number, because the mean of its divisors is an integer number (22893442).

Almost surely, 2^91413103 is an apocalyptic number.

91413103 is a deficient number, since it is larger than the sum of its proper divisors (160665).

91413103 is a wasteful number, since it uses less digits than its factorization.

91413103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160664.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 91413103 is about 9561.0199769690. The cubic root of 91413103 is about 450.4737447041.

The spelling of 91413103 in words is "ninety-one million, four hundred thirteen thousand, one hundred three".