481517903 has 4 divisors (see below), whose sum is σ = 502453488. Its totient is φ = 460582320.

The previous prime is 481517849. The next prime is 481517909. The reversal of 481517903 is 309715184.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 481517903 - 2¹⁰ = 481516879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481517909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10467758 + ... + 10467803.

It is an arithmetic number, because the mean of its divisors is an integer number (125613372).

Almost surely, 2^481517903 is an apocalyptic number.

481517903 is a deficient number, since it is larger than the sum of its proper divisors (20935585).

481517903 is a wasteful number, since it uses less digits than its factorization.

481517903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20935584.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 481517903 is about 21943.5161949948. The cubic root of 481517903 is about 783.7979916296.

The spelling of 481517903 in words is "four hundred eighty-one million, five hundred seventeen thousand, nine hundred three".