461852891 has 2 divisors, whose sum is σ = 461852892. Its totient is φ = 461852890.

The previous prime is 461852873. The next prime is 461852959. The reversal of 461852891 is 198258164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461852891 - 2⁶ = 461852827 is a prime.

It is not a weakly prime, because it can be changed into another prime (461852851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230926445 + 230926446.

It is an arithmetic number, because the mean of its divisors is an integer number (230926446).

Almost surely, 2^461852891 is an apocalyptic number.

461852891 is a deficient number, since it is larger than the sum of its proper divisors (1).

461852891 is an equidigital number, since it uses as much as digits as its factorization.

461852891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 44.

The square root of 461852891 is about 21490.7629227070. The cubic root of 461852891 is about 772.9793443836.

The spelling of 461852891 in words is "four hundred sixty-one million, eight hundred fifty-two thousand, eight hundred ninety-one".