565342011 has 30 divisors (see below), whose sum is σ = 914505900. Its totient is φ = 347894352.

The previous prime is 565341949. The next prime is 565342033. The reversal of 565342011 is 110243565.

565342011 is a `hidden beast` number, since 5 + 653 + 4 + 2 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 565342011 - 2⁹ = 565341499 is a prime.

It is a super-2 number, since 2×565342011² = 639223178803048242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (565342081) 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 29 ways as a sum of consecutive naturals, for example, 6961 + ... + 34338.

It is an arithmetic number, because the mean of its divisors is an integer number (30483530).

Almost surely, 2^565342011 is an apocalyptic number.

565342011 is a deficient number, since it is larger than the sum of its proper divisors (349163889).

565342011 is a wasteful number, since it uses less digits than its factorization.

565342011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41337 (or 41315 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 565342011 is about 23776.9218150710. The cubic root of 565342011 is about 826.8697164424.

Adding to 565342011 its reverse (110243565), we get a palindrome (675585576).

The spelling of 565342011 in words is "five hundred sixty-five million, three hundred forty-two thousand, eleven".