506481 has 8 divisors (see below), whose sum is σ = 715104. Its totient is φ = 317760.

The previous prime is 506479. The next prime is 506491. The reversal of 506481 is 184605.

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

It is not a de Polignac number, because 506481 - 2¹ = 506479 is a prime.

It is a super-2 number, since 2×506481² = 513046006722, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 506481.

It is not an unprimeable number, because it can be changed into a prime (506461) 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, 4915 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (89388).

2⁵⁰⁶⁴⁸¹ is an apocalyptic number.

506481 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

506481 is a deficient number, since it is larger than the sum of its proper divisors (208623).

506481 is a wasteful number, since it uses less digits than its factorization.

506481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9951.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 506481 is about 711.6747852777. The cubic root of 506481 is about 79.7115130246.

Subtracting from 506481 its product of nonzero digits (960), we obtain a square (505521 = 711²).

The spelling of 506481 in words is "five hundred six thousand, four hundred eighty-one".