82859573 has 2 divisors, whose sum is σ = 82859574. Its totient is φ = 82859572.

The previous prime is 82859549. The next prime is 82859587. The reversal of 82859573 is 37595828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79959364 + 2900209 = 8942^2 + 1703^2 .

It is a cyclic number.

It is not a de Polignac number, because 82859573 - 2¹⁶ = 82794037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82859773) 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, 41429786 + 41429787.

It is an arithmetic number, because the mean of its divisors is an integer number (41429787).

Almost surely, 2^82859573 is an apocalyptic number.

It is an amenable number.

82859573 is a deficient number, since it is larger than the sum of its proper divisors (1).

82859573 is an equidigital number, since it uses as much as digits as its factorization.

82859573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 47.

The square root of 82859573 is about 9102.7233836913. The cubic root of 82859573 is about 435.9609232576.

The spelling of 82859573 in words is "eighty-two million, eight hundred fifty-nine thousand, five hundred seventy-three".