481581853 has 12 divisors (see below), whose sum is σ = 494774784. Its totient is φ = 468671000.

The previous prime is 481581839. The next prime is 481581871. The reversal of 481581853 is 358185184.

It is not a de Polignac number, because 481581853 - 2¹³ = 481573661 is a prime.

It is a super-2 number, since 2×481581853² = 463842162277827218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481581833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417828 + ... + 418978.

It is an arithmetic number, because the mean of its divisors is an integer number (41231232).

Almost surely, 2^481581853 is an apocalyptic number.

It is an amenable number.

481581853 is a deficient number, since it is larger than the sum of its proper divisors (13192931).

481581853 is an equidigital number, since it uses as much as digits as its factorization.

481581853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1305 counting only the distinct ones).

The product of its digits is 153600, while the sum is 43.

The square root of 481581853 is about 21944.9732968623. The cubic root of 481581853 is about 783.8326886177.

It can be divided in two parts, 4815 and 81853, that added together give a palindrome (86668).

The spelling of 481581853 in words is "four hundred eighty-one million, five hundred eighty-one thousand, eight hundred fifty-three".