461744431 has 2 divisors, whose sum is σ = 461744432. Its totient is φ = 461744430.

The previous prime is 461744401. The next prime is 461744471. The reversal of 461744431 is 134447164.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 461744431 - 2⁵ = 461744399 is a prime.

It is a super-2 number, since 2×461744431² = 426415839119027522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461744401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230872215 + 230872216.

It is an arithmetic number, because the mean of its divisors is an integer number (230872216).

Almost surely, 2^461744431 is an apocalyptic number.

461744431 is a deficient number, since it is larger than the sum of its proper divisors (1).

461744431 is an equidigital number, since it uses as much as digits as its factorization.

461744431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 461744431 is about 21488.2393648247. The cubic root of 461744431 is about 772.9188316786.

It can be divided in two parts, 46174 and 4431, that added together give a palindrome (50605).

The spelling of 461744431 in words is "four hundred sixty-one million, seven hundred forty-four thousand, four hundred thirty-one".