3630425 has 12 divisors (see below), whose sum is σ = 4739280. Its totient is φ = 2751120.

The previous prime is 3630397. The next prime is 3630433. The reversal of 3630425 is 5240363.

It is not a de Polignac number, because 3630425 - 2⁸ = 3630169 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3630425.

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 11 ways as a sum of consecutive naturals, for example, 3347 + ... + 4296.

It is an arithmetic number, because the mean of its divisors is an integer number (394940).

Almost surely, 2^3630425 is an apocalyptic number.

It is an amenable number.

3630425 is a deficient number, since it is larger than the sum of its proper divisors (1108855).

3630425 is a wasteful number, since it uses less digits than its factorization.

3630425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672 (or 7667 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3630425 is about 1905.3674186361. The cubic root of 3630425 is about 153.6924344392.

Adding to 3630425 its reverse (5240363), we get a palindrome (8870788).

The spelling of 3630425 in words is "three million, six hundred thirty thousand, four hundred twenty-five".