565323401 has 2 divisors, whose sum is σ = 565323402. Its totient is φ = 565323400.

The previous prime is 565323391. The next prime is 565323413. The reversal of 565323401 is 104323565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559369801 + 5953600 = 23651^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 565323401 - 2⁶ = 565323337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (565323301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282661700 + 282661701.

It is an arithmetic number, because the mean of its divisors is an integer number (282661701).

Almost surely, 2^565323401 is an apocalyptic number.

It is an amenable number.

565323401 is a deficient number, since it is larger than the sum of its proper divisors (1).

565323401 is an equidigital number, since it uses as much as digits as its factorization.

565323401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 565323401 is about 23776.5304659868. The cubic root of 565323401 is about 826.8606433421.

Adding to 565323401 its reverse (104323565), we get a palindrome (669646966).

The spelling of 565323401 in words is "five hundred sixty-five million, three hundred twenty-three thousand, four hundred one".