203316425 has 12 divisors (see below), whose sum is σ = 271506060. Its totient is φ = 150141120.

The previous prime is 203316367. The next prime is 203316437. The reversal of 203316425 is 524613302.

203316425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4280761 + 199035664 = 2069^2 + 14108^2 .

It is not a de Polignac number, because 203316425 - 2¹⁰ = 203315401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203316394 and 203316403.

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, 312470 + ... + 313119.

It is an arithmetic number, because the mean of its divisors is an integer number (22625505).

Almost surely, 2^203316425 is an apocalyptic number.

203316425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203316425 is a deficient number, since it is larger than the sum of its proper divisors (68189635).

203316425 is a wasteful number, since it uses less digits than its factorization.

203316425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625612 (or 625607 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 203316425 is about 14258.9068655350. The cubic root of 203316425 is about 588.0182721041.

Adding to 203316425 its reverse (524613302), we get a palindrome (727929727).

The spelling of 203316425 in words is "two hundred three million, three hundred sixteen thousand, four hundred twenty-five".