481654921 has 16 divisors (see below), whose sum is σ = 566596800. Its totient is φ = 404697600.

The previous prime is 481654913. The next prime is 481654969. The reversal of 481654921 is 129456184.

It is a cyclic number.

It is not a de Polignac number, because 481654921 - 2³ = 481654913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481654721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19536 + ... + 36673.

It is an arithmetic number, because the mean of its divisors is an integer number (35412300).

Almost surely, 2^481654921 is an apocalyptic number.

481654921 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

481654921 is a deficient number, since it is larger than the sum of its proper divisors (84941879).

481654921 is a wasteful number, since it uses less digits than its factorization.

481654921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56280.

The product of its digits is 69120, while the sum is 40.

The square root of 481654921 is about 21946.6380341044. The cubic root of 481654921 is about 783.8723289475.

The spelling of 481654921 in words is "four hundred eighty-one million, six hundred fifty-four thousand, nine hundred twenty-one".