83408539 has 2 divisors, whose sum is σ = 83408540. Its totient is φ = 83408538.

The previous prime is 83408497. The next prime is 83408551. The reversal of 83408539 is 93580438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83408539 - 2¹³ = 83400347 is a prime.

It is a super-2 number, since 2×83408539² = 13913968756229042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83408639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41704269 + 41704270.

It is an arithmetic number, because the mean of its divisors is an integer number (41704270).

Almost surely, 2^83408539 is an apocalyptic number.

83408539 is a deficient number, since it is larger than the sum of its proper divisors (1).

83408539 is an equidigital number, since it uses as much as digits as its factorization.

83408539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 83408539 is about 9132.8275468225. The cubic root of 83408539 is about 436.9215892634.

The spelling of 83408539 in words is "eighty-three million, four hundred eight thousand, five hundred thirty-nine".