203040425 has 24 divisors (see below), whose sum is σ = 288392256. Its totient is φ = 138911040.

The previous prime is 203040419. The next prime is 203040427. The reversal of 203040425 is 524040302.

It is a de Polignac number, because none of the positive numbers 2^k-203040425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203040397 and 203040406.

It is not an unprimeable number, because it can be changed into a prime (203040427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96434 + ... + 98516.

It is an arithmetic number, because the mean of its divisors is an integer number (12016344).

Almost surely, 2^203040425 is an apocalyptic number.

203040425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203040425 is a deficient number, since it is larger than the sum of its proper divisors (85351831).

203040425 is a wasteful number, since it uses less digits than its factorization.

203040425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 203040425 is about 14249.2254175446. The cubic root of 203040425 is about 587.7520753198.

Adding to 203040425 its reverse (524040302), we get a palindrome (727080727).

The spelling of 203040425 in words is "two hundred three million, forty thousand, four hundred twenty-five".