203023225 has 12 divisors (see below), whose sum is σ = 251928940. Its totient is φ = 162302400.

The previous prime is 203023211. The next prime is 203023241. The reversal of 203023225 is 522320302.

It can be written as a sum of positive squares in 6 ways, for example, as 26956864 + 176066361 = 5192^2 + 13269^2 .

It is not a de Polignac number, because 203023225 - 2⁵ = 203023193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56791 + ... + 60259.

Almost surely, 2^203023225 is an apocalyptic number.

203023225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203023225 is a deficient number, since it is larger than the sum of its proper divisors (48905715).

203023225 is a wasteful number, since it uses less digits than its factorization.

203023225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820 (or 5815 counting only the distinct ones).

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

The square root of 203023225 is about 14248.6218631838. The cubic root of 203023225 is about 587.7354782617.

Adding to 203023225 its reverse (522320302), we get a palindrome (725343527).

The spelling of 203023225 in words is "two hundred three million, twenty-three thousand, two hundred twenty-five".