203413425 has 12 divisors (see below), whose sum is σ = 336310320. Its totient is φ = 108487120.

The previous prime is 203413421. The next prime is 203413429. The reversal of 203413425 is 524314302.

It is an interprime number because it is at equal distance from previous prime (203413421) and next prime (203413429).

It is not a de Polignac number, because 203413425 - 2² = 203413421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203413395 and 203413404.

It is not an unprimeable number, because it can be changed into a prime (203413421) 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, 1356015 + ... + 1356164.

It is an arithmetic number, because the mean of its divisors is an integer number (28025860).

Almost surely, 2^203413425 is an apocalyptic number.

203413425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203413425 is a deficient number, since it is larger than the sum of its proper divisors (132896895).

203413425 is a wasteful number, since it uses less digits than its factorization.

203413425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712192 (or 2712187 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 203413425 is about 14262.3078427020. The cubic root of 203413425 is about 588.1117695578. Note that the first 3 decimals are identical.

Adding to 203413425 its reverse (524314302), we get a palindrome (727727727).

The spelling of 203413425 in words is "two hundred three million, four hundred thirteen thousand, four hundred twenty-five".