83534897 has 2 divisors, whose sum is σ = 83534898. Its totient is φ = 83534896.

The previous prime is 83534881. The next prime is 83534909. The reversal of 83534897 is 79843538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71639296 + 11895601 = 8464^2 + 3449^2 .

It is a cyclic number.

It is not a de Polignac number, because 83534897 - 2⁴ = 83534881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83534807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41767448 + 41767449.

It is an arithmetic number, because the mean of its divisors is an integer number (41767449).

Almost surely, 2^83534897 is an apocalyptic number.

It is an amenable number.

83534897 is a deficient number, since it is larger than the sum of its proper divisors (1).

83534897 is an equidigital number, since it uses as much as digits as its factorization.

83534897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 83534897 is about 9139.7427206678. The cubic root of 83534897 is about 437.1421129783.

The spelling of 83534897 in words is "eighty-three million, five hundred thirty-four thousand, eight hundred ninety-seven".