4499425 has 18 divisors (see below), whose sum is σ = 6491958. Its totient is φ = 3084480.

The previous prime is 4499423. The next prime is 4499431. The reversal of 4499425 is 5249944.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 784 + 4498641 = 28^2 + 2121^2 .

It is not a de Polignac number, because 4499425 - 2¹ = 4499423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4499423) 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 17 ways as a sum of consecutive naturals, for example, 612 + ... + 3061.

Almost surely, 2^4499425 is an apocalyptic number.

4499425 is the 1225-th octagonal number.

It is an amenable number.

4499425 is a deficient number, since it is larger than the sum of its proper divisors (1992533).

4499425 is a wasteful number, since it uses less digits than its factorization.

4499425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697 (or 3685 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 4499425 is about 2121.1848104302. The cubic root of 4499425 is about 165.0893302631.

The spelling of 4499425 in words is "four million, four hundred ninety-nine thousand, four hundred twenty-five".