565003345 has 4 divisors (see below), whose sum is σ = 678004020. Its totient is φ = 452002672.

The previous prime is 565003343. The next prime is 565003363. The reversal of 565003345 is 543300565.

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 393943104 + 171060241 = 19848^2 + 13079^2 .

It is a cyclic number.

It is not a de Polignac number, because 565003345 - 2¹ = 565003343 is a prime.

It is a super-2 number, since 2×565003345² = 638457559722378050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (565003343) 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, 56500330 + ... + 56500339.

It is an arithmetic number, because the mean of its divisors is an integer number (169501005).

Almost surely, 2^565003345 is an apocalyptic number.

It is an amenable number.

565003345 is a deficient number, since it is larger than the sum of its proper divisors (113000675).

565003345 is a wasteful number, since it uses less digits than its factorization.

565003345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113000674.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 565003345 is about 23769.7990105091. The cubic root of 565003345 is about 826.7045723998.

The spelling of 565003345 in words is "five hundred sixty-five million, three thousand, three hundred forty-five".