203225443 has 4 divisors (see below), whose sum is σ = 203280640. Its totient is φ = 203170248.

The previous prime is 203225437. The next prime is 203225453. The reversal of 203225443 is 344522302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344522302 = 2 ⋅172261151.

It is a cyclic number.

It is not a de Polignac number, because 203225443 - 2⁵ = 203225411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203225453) 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, 21648 + ... + 29581.

It is an arithmetic number, because the mean of its divisors is an integer number (50820160).

Almost surely, 2^203225443 is an apocalyptic number.

203225443 is a deficient number, since it is larger than the sum of its proper divisors (55197).

203225443 is an equidigital number, since it uses as much as digits as its factorization.

203225443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55196.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 203225443 is about 14255.7161517758. The cubic root of 203225443 is about 587.9305483167.

Adding to 203225443 its reverse (344522302), we get a palindrome (547747745).

The spelling of 203225443 in words is "two hundred three million, two hundred twenty-five thousand, four hundred forty-three".