203002225 has 12 divisors (see below), whose sum is σ = 253033036. Its totient is φ = 161556480.

The previous prime is 203002207. The next prime is 203002231. The reversal of 203002225 is 522200302.

It can be written as a sum of positive squares in 6 ways, for example, as 61653904 + 141348321 = 7852^2 + 11889^2 .

It is not a de Polignac number, because 203002225 - 2¹¹ = 203000177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203002199 and 203002208.

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, 16212 + ... + 25861.

Almost surely, 2^203002225 is an apocalyptic number.

203002225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203002225 is a deficient number, since it is larger than the sum of its proper divisors (50030811).

203002225 is a wasteful number, since it uses less digits than its factorization.

203002225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42276 (or 42271 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 203002225 is about 14247.8849307538. The cubic root of 203002225 is about 587.7152131408.

Adding to 203002225 its reverse (522200302), we get a palindrome (725202527).

The spelling of 203002225 in words is "two hundred three million, two thousand, two hundred twenty-five".