563338973 has 4 divisors (see below), whose sum is σ = 565010940. Its totient is φ = 561667008.

The previous prime is 563338969. The next prime is 563338987. The reversal of 563338973 is 379833365.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 379833365 = 5 ⋅75966673.

It can be written as a sum of positive squares in 2 ways, for example, as 53392249 + 509946724 = 7307^2 + 22582^2 .

It is a cyclic number.

It is not a de Polignac number, because 563338973 - 2² = 563338969 is a prime.

It is a super-3 number, since 3×563338973³ (a number of 27 digits) contains 333 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 (563338943) 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, 835478 + ... + 836151.

It is an arithmetic number, because the mean of its divisors is an integer number (141252735).

Almost surely, 2^563338973 is an apocalyptic number.

It is an amenable number.

563338973 is a deficient number, since it is larger than the sum of its proper divisors (1671967).

563338973 is a wasteful number, since it uses less digits than its factorization.

563338973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671966.

The product of its digits is 1224720, while the sum is 47.

The square root of 563338973 is about 23734.7629649002. The cubic root of 563338973 is about 825.8920124722.

The spelling of 563338973 in words is "five hundred sixty-three million, three hundred thirty-eight thousand, nine hundred seventy-three".