83091059 has 2 divisors, whose sum is σ = 83091060. Its totient is φ = 83091058.

The previous prime is 83091049. The next prime is 83091079. The reversal of 83091059 is 95019038.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83091059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83091049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41545529 + 41545530.

It is an arithmetic number, because the mean of its divisors is an integer number (41545530).

Almost surely, 2^83091059 is an apocalyptic number.

83091059 is a deficient number, since it is larger than the sum of its proper divisors (1).

83091059 is an equidigital number, since it uses as much as digits as its factorization.

83091059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 83091059 is about 9115.4297210828. The cubic root of 83091059 is about 436.3665292435.

The spelling of 83091059 in words is "eighty-three million, ninety-one thousand, fifty-nine".