564284681 has 4 divisors (see below), whose sum is σ = 578047764. Its totient is φ = 550521600.

The previous prime is 564284663. The next prime is 564284687. The reversal of 564284681 is 186482465.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15085456 + 549199225 = 3884^2 + 23435^2 .

It is a cyclic number.

It is not a de Polignac number, because 564284681 - 2²⁶ = 497175817 is a prime.

It is a super-2 number, since 2×564284681² = 636834402422543522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564284687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6881480 + ... + 6881561.

It is an arithmetic number, because the mean of its divisors is an integer number (144511941).

Almost surely, 2^564284681 is an apocalyptic number.

It is an amenable number.

564284681 is a deficient number, since it is larger than the sum of its proper divisors (13763083).

564284681 is a wasteful number, since it uses less digits than its factorization.

564284681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13763082.

The product of its digits is 368640, while the sum is 44.

The square root of 564284681 is about 23754.6770342179. The cubic root of 564284681 is about 826.3539108216.

The spelling of 564284681 in words is "five hundred sixty-four million, two hundred eighty-four thousand, six hundred eighty-one".