566787049 has 4 divisors (see below), whose sum is σ = 586331460. Its totient is φ = 547242640.

The previous prime is 566787031. The next prime is 566787059. The reversal of 566787049 is 940787665.

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 202549824 + 364237225 = 14232^2 + 19085^2 .

It is a cyclic number.

It is not a de Polignac number, because 566787049 - 2²¹ = 564689897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 566786987 and 566787005.

It is not an unprimeable number, because it can be changed into a prime (566787019) 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, 9772162 + ... + 9772219.

It is an arithmetic number, because the mean of its divisors is an integer number (146582865).

Almost surely, 2^566787049 is an apocalyptic number.

It is an amenable number.

566787049 is a deficient number, since it is larger than the sum of its proper divisors (19544411).

566787049 is a wasteful number, since it uses less digits than its factorization.

566787049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19544410.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The square root of 566787049 is about 23807.2898289579. The cubic root of 566787049 is about 827.5736216569.

The spelling of 566787049 in words is "five hundred sixty-six million, seven hundred eighty-seven thousand, forty-nine".