453403 has 4 divisors (see below), whose sum is σ = 459688. Its totient is φ = 447120.

The previous prime is 453379. The next prime is 453421. The reversal of 453403 is 304354.

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

It is a cyclic number.

It is not a de Polignac number, because 453403 - 2⁵ = 453371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453703) 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, 3033 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (114922).

2⁴⁵³⁴⁰³ is an apocalyptic number.

453403 is a deficient number, since it is larger than the sum of its proper divisors (6285).

453403 is an equidigital number, since it uses as much as digits as its factorization.

453403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 453403 is about 673.3520624458. The cubic root of 453403 is about 76.8236250921.

Adding to 453403 its reverse (304354), we get a palindrome (757757).

The spelling of 453403 in words is "four hundred fifty-three thousand, four hundred three".