4189925 has 6 divisors (see below), whose sum is σ = 5195538. Its totient is φ = 3351920.

The previous prime is 4189903. The next prime is 4189951. The reversal of 4189925 is 5299814.

It can be written as a sum of positive squares in 3 ways, for example, as 36481 + 4153444 = 191^2 + 2038^2 .

It is not a de Polignac number, because 4189925 - 2¹⁰ = 4188901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 83774 + ... + 83823.

It is an arithmetic number, because the mean of its divisors is an integer number (865923).

Almost surely, 2^4189925 is an apocalyptic number.

It is an amenable number.

4189925 is a deficient number, since it is larger than the sum of its proper divisors (1005613).

4189925 is a wasteful number, since it uses less digits than its factorization.

4189925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167607 (or 167602 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 4189925 is about 2046.9306290151. The cubic root of 4189925 is about 161.2137510410.

The spelling of 4189925 in words is "four million, one hundred eighty-nine thousand, nine hundred twenty-five".