83510489 has 2 divisors, whose sum is σ = 83510490. Its totient is φ = 83510488.

The previous prime is 83510473. The next prime is 83510509. The reversal of 83510489 is 98401538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64080025 + 19430464 = 8005^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 83510489 - 2⁴ = 83510473 is a prime.

It is not a weakly prime, because it can be changed into another prime (83510419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41755244 + 41755245.

It is an arithmetic number, because the mean of its divisors is an integer number (41755245).

Almost surely, 2^83510489 is an apocalyptic number.

It is an amenable number.

83510489 is a deficient number, since it is larger than the sum of its proper divisors (1).

83510489 is an equidigital number, since it uses as much as digits as its factorization.

83510489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 83510489 is about 9138.4073557705. The cubic root of 83510489 is about 437.0995327536.

The spelling of 83510489 in words is "eighty-three million, five hundred ten thousand, four hundred eighty-nine".