563669 has 8 divisors (see below), whose sum is σ = 606528. Its totient is φ = 521920.

The previous prime is 563663. The next prime is 563723. The reversal of 563669 is 966365.

563669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 563669 - 2⁸ = 563413 is a prime.

It is a super-2 number, since 2×563669² = 635445483122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563663) 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, 974 + ... + 1440.

It is an arithmetic number, because the mean of its divisors is an integer number (75816).

2⁵⁶³⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

563669 is a deficient number, since it is larger than the sum of its proper divisors (42859).

563669 is a wasteful number, since it uses less digits than its factorization.

563669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555.

The product of its digits is 29160, while the sum is 35.

The square root of 563669 is about 750.7789288466. The cubic root of 563669 is about 82.6053261422.

The spelling of 563669 in words is "five hundred sixty-three thousand, six hundred sixty-nine".