655203 has 4 divisors (see below), whose sum is σ = 873608. Its totient is φ = 436800.

The previous prime is 655181. The next prime is 655211. The reversal of 655203 is 302556.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 655203 - 2¹³ = 647011 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655203.

It is not an unprimeable number, because it can be changed into a prime (655223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109198 + ... + 109203.

It is an arithmetic number, because the mean of its divisors is an integer number (218402).

2⁶⁵⁵²⁰³ is an apocalyptic number.

655203 is a deficient number, since it is larger than the sum of its proper divisors (218405).

655203 is a wasteful number, since it uses less digits than its factorization.

655203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218404.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 655203 is about 809.4461069151. The cubic root of 655203 is about 86.8544269211.

Adding to 655203 its reverse (302556), we get a palindrome (957759).

It can be divided in two parts, 655 and 203, that added together give a palindrome (858).

The spelling of 655203 in words is "six hundred fifty-five thousand, two hundred three".