565613642 has 8 divisors (see below), whose sum is σ = 925549632. Its totient is φ = 257097100.

The previous prime is 565613627. The next prime is 565613729. The reversal of 565613642 is 246316565.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 565613596 and 565613605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12854834 + ... + 12854877.

It is an arithmetic number, because the mean of its divisors is an integer number (115693704).

Almost surely, 2^565613642 is an apocalyptic number.

565613642 is a deficient number, since it is larger than the sum of its proper divisors (359935990).

565613642 is a wasteful number, since it uses less digits than its factorization.

565613642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25709724.

The product of its digits is 129600, while the sum is 38.

The square root of 565613642 is about 23782.6332015612. The cubic root of 565613642 is about 827.0021244841.

The spelling of 565613642 in words is "five hundred sixty-five million, six hundred thirteen thousand, six hundred forty-two".