565354049 has 4 divisors (see below), whose sum is σ = 608842836. Its totient is φ = 521865264.

The previous prime is 565354019. The next prime is 565354051. The reversal of 565354049 is 940453565.

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 109830400 + 455523649 = 10480^2 + 21343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565354049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 565353997 and 565354015.

It is not an unprimeable number, because it can be changed into a prime (565354019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21744374 + ... + 21744399.

It is an arithmetic number, because the mean of its divisors is an integer number (152210709).

Almost surely, 2^565354049 is an apocalyptic number.

It is an amenable number.

565354049 is a deficient number, since it is larger than the sum of its proper divisors (43488787).

565354049 is a wasteful number, since it uses less digits than its factorization.

565354049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43488786.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 565354049 is about 23777.1749583503. The cubic root of 565354049 is about 826.8755853305.

The spelling of 565354049 in words is "five hundred sixty-five million, three hundred fifty-four thousand, forty-nine".