565263001 has 2 divisors, whose sum is σ = 565263002. Its totient is φ = 565263000.

The previous prime is 565262981. The next prime is 565263029. The reversal of 565263001 is 100362565.

It is an a-pointer prime, because the next prime (565263029) can be obtained adding 565263001 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538472025 + 26790976 = 23205^2 + 5176^2 .

It is a cyclic number.

It is not a de Polignac number, because 565263001 - 2⁵ = 565262969 is a prime.

It is not a weakly prime, because it can be changed into another prime (565263071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282631500 + 282631501.

It is an arithmetic number, because the mean of its divisors is an integer number (282631501).

Almost surely, 2^565263001 is an apocalyptic number.

It is an amenable number.

565263001 is a deficient number, since it is larger than the sum of its proper divisors (1).

565263001 is an equidigital number, since it uses as much as digits as its factorization.

565263001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 565263001 is about 23775.2602719718. The cubic root of 565263001 is about 826.8311946162.

The spelling of 565263001 in words is "five hundred sixty-five million, two hundred sixty-three thousand, one".