481637461 has 4 divisors (see below), whose sum is σ = 482242572. Its totient is φ = 481032352.

The previous prime is 481637389. The next prime is 481637531. The reversal of 481637461 is 164736184.

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 302238225 + 179399236 = 17385^2 + 13394^2 .

It is a cyclic number.

It is not a de Polignac number, because 481637461 - 2⁷ = 481637333 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481638461) 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, 301360 + ... + 302953.

It is an arithmetic number, because the mean of its divisors is an integer number (120560643).

Almost surely, 2^481637461 is an apocalyptic number.

It is an amenable number.

481637461 is a deficient number, since it is larger than the sum of its proper divisors (605111).

481637461 is an equidigital number, since it uses as much as digits as its factorization.

481637461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605110.

The product of its digits is 96768, while the sum is 40.

The square root of 481637461 is about 21946.2402474775. The cubic root of 481637461 is about 783.8628570375.

The spelling of 481637461 in words is "four hundred eighty-one million, six hundred thirty-seven thousand, four hundred sixty-one".