676565 has 8 divisors (see below), whose sum is σ = 829440. Its totient is φ = 529552.

The previous prime is 676523. The next prime is 676573. The reversal of 676565 is 565676.

676565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

676565 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is not a de Polignac number, because 676565 - 2¹⁰ = 675541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 676565.

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, 1205 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2⁶⁷⁶⁵⁶⁵ is an apocalyptic number.

It is an amenable number.

676565 is a deficient number, since it is larger than the sum of its proper divisors (152875).

676565 is a wasteful number, since it uses less digits than its factorization.

676565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931.

The product of its digits is 37800, while the sum is 35.

The square root of 676565 is about 822.5357135104. The cubic root of 676565 is about 87.7882737127.

Subtracting from 676565 its reverse (565676), we obtain a square (110889 = 333²).

The spelling of 676565 in words is "six hundred seventy-six thousand, five hundred sixty-five".