283680565 has 16 divisors (see below), whose sum is σ = 389882880. Its totient is φ = 194106240.

The previous prime is 283680541. The next prime is 283680569. The reversal of 283680565 is 565086382.

It is a happy number.

It is not a de Polignac number, because 283680565 - 2⁵ = 283680533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283680569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8305 + ... + 25225.

It is an arithmetic number, because the mean of its divisors is an integer number (24367680).

Almost surely, 2^283680565 is an apocalyptic number.

It is an amenable number.

283680565 is a deficient number, since it is larger than the sum of its proper divisors (106202315).

283680565 is a wasteful number, since it uses less digits than its factorization.

283680565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17412.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 283680565 is about 16842.8193898765. The cubic root of 283680565 is about 657.0673101446.

The spelling of 283680565 in words is "two hundred eighty-three million, six hundred eighty thousand, five hundred sixty-five".