16433125 has 10 divisors (see below), whose sum is σ = 20535614. Its totient is φ = 13146000.

The previous prime is 16433113. The next prime is 16433141. The reversal of 16433125 is 52133461.

It can be written as a sum of positive squares in 5 ways, for example, as 1695204 + 14737921 = 1302^2 + 3839^2 .

It is not a de Polignac number, because 16433125 - 2⁹ = 16432613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16433125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12522 + ... + 13771.

Almost surely, 2^16433125 is an apocalyptic number.

It is an amenable number.

16433125 is a deficient number, since it is larger than the sum of its proper divisors (4102489).

16433125 is an frugal number, since it uses more digits than its factorization.

16433125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26313 (or 26298 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 16433125 is about 4053.7791010365. The cubic root of 16433125 is about 254.2377596821.

Adding to 16433125 its reverse (52133461), we get a palindrome (68566586).

The spelling of 16433125 in words is "sixteen million, four hundred thirty-three thousand, one hundred twenty-five".