403443425 has 24 divisors (see below), whose sum is σ = 623716032. Its totient is φ = 251496000.

The previous prime is 403443421. The next prime is 403443433. The reversal of 403443425 is 524344304.

It is not a de Polignac number, because 403443425 - 2² = 403443421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403443421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102866 + ... + 106715.

It is an arithmetic number, because the mean of its divisors is an integer number (25988168).

Almost surely, 2^403443425 is an apocalyptic number.

It is an amenable number.

403443425 is a deficient number, since it is larger than the sum of its proper divisors (220272607).

403443425 is a wasteful number, since it uses less digits than its factorization.

403443425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209609 (or 209604 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 403443425 is about 20085.9011498115. The cubic root of 403443425 is about 738.9145426319.

Adding to 403443425 its reverse (524344304), we get a palindrome (927787729).

The spelling of 403443425 in words is "four hundred three million, four hundred forty-three thousand, four hundred twenty-five".