461660443 has 2 divisors, whose sum is σ = 461660444. Its totient is φ = 461660442.

The previous prime is 461660417. The next prime is 461660467. The reversal of 461660443 is 344066164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461660443 - 2⁵ = 461660411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461660399 and 461660408.

It is not a weakly prime, because it can be changed into another prime (461660413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230830221 + 230830222.

It is an arithmetic number, because the mean of its divisors is an integer number (230830222).

Almost surely, 2^461660443 is an apocalyptic number.

461660443 is a deficient number, since it is larger than the sum of its proper divisors (1).

461660443 is an equidigital number, since it uses as much as digits as its factorization.

461660443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 461660443 is about 21486.2849976444. The cubic root of 461660443 is about 772.8719660398.

The spelling of 461660443 in words is "four hundred sixty-one million, six hundred sixty thousand, four hundred forty-three".