3631425 has 24 divisors (see below), whose sum is σ = 6862656. Its totient is φ = 1659840.

The previous prime is 3631423. The next prime is 3631427. The reversal of 3631425 is 5241363.

It is a happy number.

3631425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3631423) and next prime (3631427).

It is not a de Polignac number, because 3631425 - 2¹ = 3631423 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3631395 and 3631404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3631423) 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 23 ways as a sum of consecutive naturals, for example, 2934 + ... + 3983.

It is an arithmetic number, because the mean of its divisors is an integer number (285944).

Almost surely, 2^3631425 is an apocalyptic number.

3631425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3631425 is a deficient number, since it is larger than the sum of its proper divisors (3231231).

3631425 is a wasteful number, since it uses less digits than its factorization.

3631425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937 (or 6932 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 3631425 is about 1905.6298171471. The cubic root of 3631425 is about 153.7065446627.

Adding to 3631425 its reverse (5241363), we get a palindrome (8872788).

The spelling of 3631425 in words is "three million, six hundred thirty-one thousand, four hundred twenty-five".