91083119 has 2 divisors, whose sum is σ = 91083120. Its totient is φ = 91083118.

The previous prime is 91083107. The next prime is 91083143. The reversal of 91083119 is 91138019.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91083119 is a prime.

It is a super-2 number, since 2×91083119² = 16592269133536322, which contains 22 as substring.

It is equal to p_5276192 and since 91083119 and 5276192 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91083019) 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 as a sum of consecutive naturals, namely, 45541559 + 45541560.

It is an arithmetic number, because the mean of its divisors is an integer number (45541560).

Almost surely, 2^91083119 is an apocalyptic number.

91083119 is a deficient number, since it is larger than the sum of its proper divisors (1).

91083119 is an equidigital number, since it uses as much as digits as its factorization.

91083119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 91083119 is about 9543.7476391615. The cubic root of 91083119 is about 449.9310495180.

The spelling of 91083119 in words is "ninety-one million, eighty-three thousand, one hundred nineteen".