852599497 has 2 divisors, whose sum is σ = 852599498. Its totient is φ = 852599496.

The previous prime is 852599491. The next prime is 852599509. The reversal of 852599497 is 794995258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 794168761 + 58430736 = 28181^2 + 7644^2 .

It is a cyclic number.

It is not a de Polignac number, because 852599497 - 2¹⁹ = 852075209 is a prime.

It is not a weakly prime, because it can be changed into another prime (852599491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426299748 + 426299749.

It is an arithmetic number, because the mean of its divisors is an integer number (426299749).

Almost surely, 2^852599497 is an apocalyptic number.

It is an amenable number.

852599497 is a deficient number, since it is larger than the sum of its proper divisors (1).

852599497 is an equidigital number, since it uses as much as digits as its factorization.

852599497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 58.

The square root of 852599497 is about 29199.3064472429. The cubic root of 852599497 is about 948.2329097267.

The spelling of 852599497 in words is "eight hundred fifty-two million, five hundred ninety-nine thousand, four hundred ninety-seven".