805853051 has 2 divisors, whose sum is σ = 805853052. Its totient is φ = 805853050.

The previous prime is 805853039. The next prime is 805853071. The reversal of 805853051 is 150358508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 805853051 - 2⁶ = 805852987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (805853071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402926525 + 402926526.

It is an arithmetic number, because the mean of its divisors is an integer number (402926526).

Almost surely, 2^805853051 is an apocalyptic number.

805853051 is a deficient number, since it is larger than the sum of its proper divisors (1).

805853051 is an equidigital number, since it uses as much as digits as its factorization.

805853051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 805853051 is about 28387.5509863038. The cubic root of 805853051 is about 930.5762224683.

The spelling of 805853051 in words is "eight hundred five million, eight hundred fifty-three thousand, fifty-one".