203345 has 8 divisors (see below), whose sum is σ = 248064. Its totient is φ = 159984.

The previous prime is 203341. The next prime is 203351. The reversal of 203345 is 543302.

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 203345 - 2² = 203341 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 0 + 3⁸ + 3¹¹ + 4⁷ + 5⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203341) 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, 32 + ... + 638.

It is an arithmetic number, because the mean of its divisors is an integer number (31008).

2²⁰³³⁴⁵ is an apocalyptic number.

It is an amenable number.

203345 is a deficient number, since it is larger than the sum of its proper divisors (44719).

203345 is an equidigital number, since it uses as much as digits as its factorization.

203345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 203345 is about 450.9379114690. The cubic root of 203345 is about 58.8045818387.

Adding to 203345 its reverse (543302), we get a palindrome (746647).

The spelling of 203345 in words is "two hundred three thousand, three hundred forty-five".