481611685 has 8 divisors (see below), whose sum is σ = 578061720. Its totient is φ = 385204224.

The previous prime is 481611659. The next prime is 481611703. The reversal of 481611685 is 586116184.

It can be written as a sum of positive squares in 4 ways, for example, as 2614689 + 478996996 = 1617^2 + 21886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481611685 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25269 + ... + 40021.

It is an arithmetic number, because the mean of its divisors is an integer number (72257715).

Almost surely, 2^481611685 is an apocalyptic number.

It is an amenable number.

481611685 is a deficient number, since it is larger than the sum of its proper divisors (96450035).

481611685 is a wasteful number, since it uses less digits than its factorization.

481611685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21287.

The product of its digits is 46080, while the sum is 40.

The square root of 481611685 is about 21945.6529864117. The cubic root of 481611685 is about 783.8488733457.

The spelling of 481611685 in words is "four hundred eighty-one million, six hundred eleven thousand, six hundred eighty-five".