565130101 has 4 divisors (see below), whose sum is σ = 578913804. Its totient is φ = 551346400.

The previous prime is 565130089. The next prime is 565130147. The reversal of 565130101 is 101031565.

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 38427601 + 526702500 = 6199^2 + 22950^2 .

It is a cyclic number.

It is not a de Polignac number, because 565130101 - 2⁷ = 565129973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565130701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6891790 + ... + 6891871.

It is an arithmetic number, because the mean of its divisors is an integer number (144728451).

Almost surely, 2^565130101 is an apocalyptic number.

It is an amenable number.

565130101 is a deficient number, since it is larger than the sum of its proper divisors (13783703).

565130101 is a wasteful number, since it uses less digits than its factorization.

565130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13783702.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 565130101 is about 23772.4651855881. The cubic root of 565130101 is about 826.7663902812.

Adding to 565130101 its reverse (101031565), we get a palindrome (666161666).

The spelling of 565130101 in words is "five hundred sixty-five million, one hundred thirty thousand, one hundred one".