481571999 has 8 divisors (see below), whose sum is σ = 519838560. Its totient is φ = 444749536.

The previous prime is 481571963. The next prime is 481572017. The reversal of 481571999 is 999175184.

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

It is a cyclic number.

It is not a de Polignac number, because 481571999 - 2¹² = 481567903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 481571999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481571099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360332 + ... + 361665.

It is an arithmetic number, because the mean of its divisors is an integer number (64979820).

Almost surely, 2^481571999 is an apocalyptic number.

481571999 is a deficient number, since it is larger than the sum of its proper divisors (38266561).

481571999 is a wasteful number, since it uses less digits than its factorization.

481571999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722049.

The product of its digits is 816480, while the sum is 53.

The square root of 481571999 is about 21944.7487796056. The cubic root of 481571999 is about 783.8273423891.

The spelling of 481571999 in words is "four hundred eighty-one million, five hundred seventy-one thousand, nine hundred ninety-nine".