858952573 has 2 divisors, whose sum is σ = 858952574. Its totient is φ = 858952572.

The previous prime is 858952571. The next prime is 858952579. The reversal of 858952573 is 375259858.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657255769 + 201696804 = 25637^2 + 14202^2 .

It is a cyclic number.

It is not a de Polignac number, because 858952573 - 2¹ = 858952571 is a prime.

Together with 858952571, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 858952573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (858952571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429476286 + 429476287.

It is an arithmetic number, because the mean of its divisors is an integer number (429476287).

Almost surely, 2^858952573 is an apocalyptic number.

It is an amenable number.

858952573 is a deficient number, since it is larger than the sum of its proper divisors (1).

858952573 is an equidigital number, since it uses as much as digits as its factorization.

858952573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 52.

The square root of 858952573 is about 29307.8926741586. The cubic root of 858952573 is about 950.5823107693.

The spelling of 858952573 in words is "eight hundred fifty-eight million, nine hundred fifty-two thousand, five hundred seventy-three".