16433425 has 12 divisors (see below), whose sum is σ = 20683696. Its totient is φ = 12949200.

The previous prime is 16433411. The next prime is 16433429. The reversal of 16433425 is 52433461.

It is not a de Polignac number, because 16433425 - 2⁵ = 16433393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16433393 and 16433402.

It is not an unprimeable number, because it can be changed into a prime (16433429) 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 11 ways as a sum of consecutive naturals, for example, 3231 + ... + 6580.

Almost surely, 2^16433425 is an apocalyptic number.

It is an amenable number.

16433425 is a deficient number, since it is larger than the sum of its proper divisors (4250271).

16433425 is an equidigital number, since it uses as much as digits as its factorization.

16433425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9888 (or 9883 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 16433425 is about 4053.8161033772. The cubic root of 16433425 is about 254.2393067781.

Adding to 16433425 its reverse (52433461), we get a palindrome (68866886).

The spelling of 16433425 in words is "sixteen million, four hundred thirty-three thousand, four hundred twenty-five".