565003 has 8 divisors (see below), whose sum is σ = 601920. Its totient is φ = 528840.

The previous prime is 564997. The next prime is 565013. The reversal of 565003 is 300565.

565003 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 565003 - 2⁹ = 564491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (565013) 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, 2376 + ... + 2602.

It is an arithmetic number, because the mean of its divisors is an integer number (75240).

2⁵⁶⁵⁰⁰³ is an apocalyptic number.

565003 is a deficient number, since it is larger than the sum of its proper divisors (36917).

565003 is a wasteful number, since it uses less digits than its factorization.

565003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 565003 is about 751.6668144863. Note that the first 3 decimals coincide. The cubic root of 565003 is about 82.6704404133.

Adding to 565003 its reverse (300565), we get a palindrome (865568).

The spelling of 565003 in words is "five hundred sixty-five thousand, three".