91083107 has 2 divisors, whose sum is σ = 91083108. Its totient is φ = 91083106.

The previous prime is 91083101. The next prime is 91083119. The reversal of 91083107 is 70138019.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91083107 - 2⁶ = 91083043 is a prime.

It is a super-2 number, since 2×91083107² = 16592264761546898, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91083107.

It is not a weakly prime, because it can be changed into another prime (91083101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45541553 + 45541554.

It is an arithmetic number, because the mean of its divisors is an integer number (45541554).

Almost surely, 2^91083107 is an apocalyptic number.

91083107 is a deficient number, since it is larger than the sum of its proper divisors (1).

91083107 is an equidigital number, since it uses as much as digits as its factorization.

91083107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 91083107 is about 9543.7470104776. The cubic root of 91083107 is about 449.9310297589.

The spelling of 91083107 in words is "ninety-one million, eighty-three thousand, one hundred seven".