566321345 has 8 divisors (see below), whose sum is σ = 682231464. Its totient is φ = 451293184.

The previous prime is 566321333. The next prime is 566321369. The reversal of 566321345 is 543123665.

It can be written as a sum of positive squares in 4 ways, for example, as 238023184 + 328298161 = 15428^2 + 18119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 566321345 - 2⁶ = 566321281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219074 + ... + 221643.

It is an arithmetic number, because the mean of its divisors is an integer number (85278933).

Almost surely, 2^566321345 is an apocalyptic number.

It is an amenable number.

566321345 is a deficient number, since it is larger than the sum of its proper divisors (115910119).

566321345 is a wasteful number, since it uses less digits than its factorization.

566321345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440979.

The product of its digits is 64800, while the sum is 35.

The square root of 566321345 is about 23797.5071173432. The cubic root of 566321345 is about 827.3468992624.

The spelling of 566321345 in words is "five hundred sixty-six million, three hundred twenty-one thousand, three hundred forty-five".