565341655 has 4 divisors (see below), whose sum is σ = 678409992. Its totient is φ = 452273320.

The previous prime is 565341649. The next prime is 565341671. The reversal of 565341655 is 556143565.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 565341655 - 2⁷ = 565341527 is a prime.

It is a super-2 number, since 2×565341655² = 639222373756278050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 56534161 + ... + 56534170.

It is an arithmetic number, because the mean of its divisors is an integer number (169602498).

Almost surely, 2^565341655 is an apocalyptic number.

565341655 is a deficient number, since it is larger than the sum of its proper divisors (113068337).

565341655 is a wasteful number, since it uses less digits than its factorization.

565341655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113068336.

The product of its digits is 270000, while the sum is 40.

The square root of 565341655 is about 23776.9143288190. The cubic root of 565341655 is about 826.8695428804.

The spelling of 565341655 in words is "five hundred sixty-five million, three hundred forty-one thousand, six hundred fifty-five".