203030425 has 12 divisors (see below), whose sum is σ = 271124140. Its totient is φ = 149929920.

The previous prime is 203030423. The next prime is 203030437. The reversal of 203030425 is 524030302.

It can be written as a sum of positive squares in 6 ways, for example, as 22316176 + 180714249 = 4724^2 + 13443^2 .

It is not a de Polignac number, because 203030425 - 2¹ = 203030423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203030423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312030 + ... + 312679.

Almost surely, 2^203030425 is an apocalyptic number.

203030425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203030425 is a deficient number, since it is larger than the sum of its proper divisors (68093715).

203030425 is a wasteful number, since it uses less digits than its factorization.

203030425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624732 (or 624727 counting only the distinct ones).

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

The square root of 203030425 is about 14248.8745169575. The cubic root of 203030425 is about 587.7424259815.

Adding to 203030425 its reverse (524030302), we get a palindrome (727060727).

The spelling of 203030425 in words is "two hundred three million, thirty thousand, four hundred twenty-five".