4208425 has 24 divisors (see below), whose sum is σ = 5874624. Its totient is φ = 2967360.

The previous prime is 4208419. The next prime is 4208429. The reversal of 4208425 is 5248024.

It is a happy number.

It is not a de Polignac number, because 4208425 - 2⁷ = 4208297 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 4208425.

It is not an unprimeable number, because it can be changed into a prime (4208429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7194 + ... + 7756.

It is an arithmetic number, because the mean of its divisors is an integer number (244776).

Almost surely, 2^4208425 is an apocalyptic number.

It is an amenable number.

4208425 is a deficient number, since it is larger than the sum of its proper divisors (1666199).

4208425 is a wasteful number, since it uses less digits than its factorization.

4208425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4208425 is about 2051.4446129496. Note that the first 3 decimals coincide. The cubic root of 4208425 is about 161.4506745818.

The spelling of 4208425 in words is "four million, two hundred eight thousand, four hundred twenty-five".