481312387 has 8 divisors (see below), whose sum is σ = 489718160. Its totient is φ = 472923360.

The previous prime is 481312379. The next prime is 481312397. The reversal of 481312387 is 783213184.

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 481312387 - 2³ = 481312379 is a prime.

It is a super-2 number, since 2×481312387² = 463323227759275538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481312397) 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, 63064 + ... + 70282.

It is an arithmetic number, because the mean of its divisors is an integer number (61214770).

Almost surely, 2^481312387 is an apocalyptic number.

481312387 is a deficient number, since it is larger than the sum of its proper divisors (8405773).

481312387 is a wasteful number, since it uses less digits than its factorization.

481312387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8373.

The product of its digits is 32256, while the sum is 37.

The square root of 481312387 is about 21938.8328540969. The cubic root of 481312387 is about 783.6864651771.

The spelling of 481312387 in words is "four hundred eighty-one million, three hundred twelve thousand, three hundred eighty-seven".