852490811 has 2 divisors, whose sum is σ = 852490812. Its totient is φ = 852490810.

The previous prime is 852490787. The next prime is 852490813. The reversal of 852490811 is 118094258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 852490811 - 2¹⁰ = 852489787 is a prime.

Together with 852490813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (852490813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426245405 + 426245406.

It is an arithmetic number, because the mean of its divisors is an integer number (426245406).

Almost surely, 2^852490811 is an apocalyptic number.

852490811 is a deficient number, since it is larger than the sum of its proper divisors (1).

852490811 is an equidigital number, since it uses as much as digits as its factorization.

852490811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 852490811 is about 29197.4452820790. The cubic root of 852490811 is about 948.1926156918.

The spelling of 852490811 in words is "eight hundred fifty-two million, four hundred ninety thousand, eight hundred eleven".