564286993 has 4 divisors (see below), whose sum is σ = 565634160. Its totient is φ = 562939828.

The previous prime is 564286981. The next prime is 564286999. The reversal of 564286993 is 399682465.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564286993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 564286993.

It is not an unprimeable number, because it can be changed into a prime (564286999) 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, 672955 + ... + 673792.

It is an arithmetic number, because the mean of its divisors is an integer number (141408540).

Almost surely, 2^564286993 is an apocalyptic number.

It is an amenable number.

564286993 is a deficient number, since it is larger than the sum of its proper divisors (1347167).

564286993 is a wasteful number, since it uses less digits than its factorization.

564286993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347166.

The product of its digits is 2799360, while the sum is 52.

The square root of 564286993 is about 23754.7256982690. The cubic root of 564286993 is about 826.3550394053.

The spelling of 564286993 in words is "five hundred sixty-four million, two hundred eighty-six thousand, nine hundred ninety-three".