565066505 has 8 divisors (see below), whose sum is σ = 680918400. Its totient is φ = 450160816.

The previous prime is 565066399. The next prime is 565066559. The reversal of 565066505 is 505660565.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-565066505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235235 + ... + 237624.

It is an arithmetic number, because the mean of its divisors is an integer number (85114800).

Almost surely, 2^565066505 is an apocalyptic number.

It is an amenable number.

565066505 is a deficient number, since it is larger than the sum of its proper divisors (115851895).

565066505 is a wasteful number, since it uses less digits than its factorization.

565066505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473103.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 565066505 is about 23771.1275500343. The cubic root of 565066505 is about 826.7353761792.

The spelling of 565066505 in words is "five hundred sixty-five million, sixty-six thousand, five hundred five".