565605601 has 4 divisors (see below), whose sum is σ = 617024304. Its totient is φ = 514186900.

The previous prime is 565605583. The next prime is 565605613. The reversal of 565605601 is 106506565.

565605601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 565605601 - 2¹⁷ = 565474529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (565605631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25709335 + ... + 25709356.

It is an arithmetic number, because the mean of its divisors is an integer number (154256076).

Almost surely, 2^565605601 is an apocalyptic number.

It is an amenable number.

565605601 is a deficient number, since it is larger than the sum of its proper divisors (51418703).

565605601 is a wasteful number, since it uses less digits than its factorization.

565605601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51418702.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 565605601 is about 23782.4641490322. The cubic root of 565605601 is about 826.9982054629.

The spelling of 565605601 in words is "five hundred sixty-five million, six hundred five thousand, six hundred one".