4166425 has 6 divisors (see below), whose sum is σ = 5166398. Its totient is φ = 3333120.

The previous prime is 4166419. The next prime is 4166447. The reversal of 4166425 is 5246614.

It can be written as a sum of positive squares in 3 ways, for example, as 242064 + 3924361 = 492^2 + 1981^2 .

It is not a de Polignac number, because 4166425 - 2³ = 4166417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4166393 and 4166402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83304 + ... + 83353.

Almost surely, 2^4166425 is an apocalyptic number.

It is an amenable number.

4166425 is a deficient number, since it is larger than the sum of its proper divisors (999973).

4166425 is a wasteful number, since it uses less digits than its factorization.

4166425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166667 (or 166662 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 4166425 is about 2041.1822554588. The cubic root of 4166425 is about 160.9117863528.

It can be divided in two parts, 41 and 66425, that added together give a palindrome (66466).

The spelling of 4166425 in words is "four million, one hundred sixty-six thousand, four hundred twenty-five".