566238973 has 4 divisors (see below), whose sum is σ = 566304480. Its totient is φ = 566173468.

The previous prime is 566238943. The next prime is 566238979. The reversal of 566238973 is 379832665.

It is a happy number.

566238973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566238973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566238979) 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, 17383 + ... + 37876.

It is an arithmetic number, because the mean of its divisors is an integer number (141576120).

Almost surely, 2^566238973 is an apocalyptic number.

It is an amenable number.

566238973 is a deficient number, since it is larger than the sum of its proper divisors (65507).

566238973 is a wasteful number, since it uses less digits than its factorization.

566238973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65506.

The product of its digits is 1632960, while the sum is 49.

The square root of 566238973 is about 23795.7763689273. The cubic root of 566238973 is about 827.3067845091.

The spelling of 566238973 in words is "five hundred sixty-six million, two hundred thirty-eight thousand, nine hundred seventy-three".