852589973 has 2 divisors, whose sum is σ = 852589974. Its totient is φ = 852589972.

The previous prime is 852589951. The next prime is 852589979. The reversal of 852589973 is 379985258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819848689 + 32741284 = 28633^2 + 5722^2 .

It is a cyclic number.

It is not a de Polignac number, because 852589973 - 2⁶ = 852589909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852589979) 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, 426294986 + 426294987.

It is an arithmetic number, because the mean of its divisors is an integer number (426294987).

Almost surely, 2^852589973 is an apocalyptic number.

It is an amenable number.

852589973 is a deficient number, since it is larger than the sum of its proper divisors (1).

852589973 is an equidigital number, since it uses as much as digits as its factorization.

852589973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 56.

The square root of 852589973 is about 29199.1433607221. The cubic root of 852589973 is about 948.2293789545.

The spelling of 852589973 in words is "eight hundred fifty-two million, five hundred eighty-nine thousand, nine hundred seventy-three".