809462051 has 2 divisors, whose sum is σ = 809462052. Its totient is φ = 809462050.

The previous prime is 809462047. The next prime is 809462077. The reversal of 809462051 is 150264908.

809462051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 809462051 - 2² = 809462047 is a prime.

It is not a weakly prime, because it can be changed into another prime (809462081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404731025 + 404731026.

It is an arithmetic number, because the mean of its divisors is an integer number (404731026).

Almost surely, 2^809462051 is an apocalyptic number.

809462051 is a deficient number, since it is larger than the sum of its proper divisors (1).

809462051 is an equidigital number, since it uses as much as digits as its factorization.

809462051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 809462051 is about 28451.0465712599. The cubic root of 809462051 is about 931.9633440335.

The spelling of 809462051 in words is "eight hundred nine million, four hundred sixty-two thousand, fifty-one".