481681653 has 16 divisors (see below), whose sum is σ = 658627200. Its totient is φ = 312945920.

The previous prime is 481681643. The next prime is 481681691. The reversal of 481681653 is 356186184.

It is a cyclic number.

It is not a de Polignac number, because 481681653 - 2¹⁷ = 481550581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481681643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 160753 + ... + 163721.

It is an arithmetic number, because the mean of its divisors is an integer number (41164200).

Almost surely, 2^481681653 is an apocalyptic number.

It is an amenable number.

481681653 is a deficient number, since it is larger than the sum of its proper divisors (176945547).

481681653 is a wasteful number, since it uses less digits than its factorization.

481681653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332.

The product of its digits is 138240, while the sum is 42.

The square root of 481681653 is about 21947.2470483202. The cubic root of 481681653 is about 783.8868303997.

The spelling of 481681653 in words is "four hundred eighty-one million, six hundred eighty-one thousand, six hundred fifty-three".