481615815 has 16 divisors (see below), whose sum is σ = 786981888. Its totient is φ = 251396256.

The previous prime is 481615811. The next prime is 481615817. The reversal of 481615815 is 518516184.

It is not a de Polignac number, because 481615815 - 2² = 481615811 is a prime.

It is a super-2 number, since 2×481615815² = 463907586516228450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481615811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340867 + ... + 342276.

It is an arithmetic number, because the mean of its divisors is an integer number (49186368).

Almost surely, 2^481615815 is an apocalyptic number.

481615815 is a deficient number, since it is larger than the sum of its proper divisors (305366073).

481615815 is a wasteful number, since it uses less digits than its factorization.

481615815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683198.

The product of its digits is 38400, while the sum is 39.

The square root of 481615815 is about 21945.7470822936. The cubic root of 481615815 is about 783.8511139382.

The spelling of 481615815 in words is "four hundred eighty-one million, six hundred fifteen thousand, eight hundred fifteen".