461566403 has 4 divisors (see below), whose sum is σ = 467127528. Its totient is φ = 456005280.

The previous prime is 461566393. The next prime is 461566421. The reversal of 461566403 is 304665164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461566403 - 2²² = 457372099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461566433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780438 + ... + 2780603.

It is an arithmetic number, because the mean of its divisors is an integer number (116781882).

Almost surely, 2^461566403 is an apocalyptic number.

461566403 is a deficient number, since it is larger than the sum of its proper divisors (5561125).

461566403 is an equidigital number, since it uses as much as digits as its factorization.

461566403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561124.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 461566403 is about 21484.0965134678. The cubic root of 461566403 is about 772.8194845993.

The spelling of 461566403 in words is "four hundred sixty-one million, five hundred sixty-six thousand, four hundred three".