565057987 has 8 divisors (see below), whose sum is σ = 628154240. Its totient is φ = 504766080.

The previous prime is 565057981. The next prime is 565058003. The reversal of 565057987 is 789750565.

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

It is not a de Polignac number, because 565057987 - 2³ = 565057979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (565057981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700662 + ... + 701467.

It is an arithmetic number, because the mean of its divisors is an integer number (78519280).

Almost surely, 2^565057987 is an apocalyptic number.

565057987 is a deficient number, since it is larger than the sum of its proper divisors (63096253).

565057987 is a wasteful number, since it uses less digits than its factorization.

565057987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402173.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The square root of 565057987 is about 23770.9483824268. The cubic root of 565057987 is about 826.7312219972.

The spelling of 565057987 in words is "five hundred sixty-five million, fifty-seven thousand, nine hundred eighty-seven".