91354339 has 2 divisors, whose sum is σ = 91354340. Its totient is φ = 91354338.

The previous prime is 91354331. The next prime is 91354363. The reversal of 91354339 is 93345319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91354339 - 2³ = 91354331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91354298 and 91354307.

It is not a weakly prime, because it can be changed into another prime (91354331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45677169 + 45677170.

It is an arithmetic number, because the mean of its divisors is an integer number (45677170).

Almost surely, 2^91354339 is an apocalyptic number.

91354339 is a deficient number, since it is larger than the sum of its proper divisors (1).

91354339 is an equidigital number, since it uses as much as digits as its factorization.

91354339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 37.

The square root of 91354339 is about 9557.9463798454. The cubic root of 91354339 is about 450.3771964973.

The spelling of 91354339 in words is "ninety-one million, three hundred fifty-four thousand, three hundred thirty-nine".