461731441 has 4 divisors (see below), whose sum is σ = 488892132. Its totient is φ = 434570752.

The previous prime is 461731433. The next prime is 461731471. The reversal of 461731441 is 144137164.

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

It can be written as a sum of positive squares in 2 ways, for example, as 205091041 + 256640400 = 14321^2 + 16020^2 .

It is a cyclic number.

It is not a de Polignac number, because 461731441 - 2³ = 461731433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461731411) 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, 13580320 + ... + 13580353.

It is an arithmetic number, because the mean of its divisors is an integer number (122223033).

Almost surely, 2^461731441 is an apocalyptic number.

It is an amenable number.

461731441 is a deficient number, since it is larger than the sum of its proper divisors (27160691).

461731441 is a wasteful number, since it uses less digits than its factorization.

461731441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27160690.

The product of its digits is 8064, while the sum is 31.

The square root of 461731441 is about 21487.9371043383. The cubic root of 461731441 is about 772.9115835784.

The spelling of 461731441 in words is "four hundred sixty-one million, seven hundred thirty-one thousand, four hundred forty-one".