83490059 has 2 divisors, whose sum is σ = 83490060. Its totient is φ = 83490058.

The previous prime is 83490031. The next prime is 83490079. The reversal of 83490059 is 95009438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83490059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83490079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41745029 + 41745030.

It is an arithmetic number, because the mean of its divisors is an integer number (41745030).

Almost surely, 2^83490059 is an apocalyptic number.

83490059 is a deficient number, since it is larger than the sum of its proper divisors (1).

83490059 is an equidigital number, since it uses as much as digits as its factorization.

83490059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 83490059 is about 9137.2894777390. The cubic root of 83490059 is about 437.0638858471.

The spelling of 83490059 in words is "eighty-three million, four hundred ninety thousand, fifty-nine".