566481 has 4 divisors (see below), whose sum is σ = 755312. Its totient is φ = 377652.

The previous prime is 566453. The next prime is 566521. The reversal of 566481 is 184665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 566481 - 2⁶ = 566417 is a prime.

It is a super-2 number, since 2×566481² = 641801446722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

566481 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 566481.

It is not an unprimeable number, because it can be changed into a prime (566431) 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, 94411 + ... + 94416.

It is an arithmetic number, because the mean of its divisors is an integer number (188828).

2⁵⁶⁶⁴⁸¹ is an apocalyptic number.

It is an amenable number.

566481 is a deficient number, since it is larger than the sum of its proper divisors (188831).

566481 is a wasteful number, since it uses less digits than its factorization.

566481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188830.

The product of its digits is 5760, while the sum is 30.

The square root of 566481 is about 752.6493207331. The cubic root of 566481 is about 82.7424639377.

The spelling of 566481 in words is "five hundred sixty-six thousand, four hundred eighty-one".