565340201 has 4 divisors (see below), whose sum is σ = 568941252. Its totient is φ = 561739152.

The previous prime is 565340197. The next prime is 565340203. The reversal of 565340201 is 102043565.

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 161290000 + 404050201 = 12700^2 + 20101^2 .

It is a cyclic number.

It is not a de Polignac number, because 565340201 - 2² = 565340197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565340203) 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, 1800290 + ... + 1800603.

It is an arithmetic number, because the mean of its divisors is an integer number (142235313).

Almost surely, 2^565340201 is an apocalyptic number.

It is an amenable number.

565340201 is a deficient number, since it is larger than the sum of its proper divisors (3601051).

565340201 is a wasteful number, since it uses less digits than its factorization.

565340201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601050.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 565340201 is about 23776.8837529227. The cubic root of 565340201 is about 826.8688340056.

Adding to 565340201 its reverse (102043565), we get a palindrome (667383766).

It can be divided in two parts, 5653 and 40201, that added together give a palindrome (45854).

The spelling of 565340201 in words is "five hundred sixty-five million, three hundred forty thousand, two hundred one".