3631325 has 6 divisors (see below), whose sum is σ = 4502874. Its totient is φ = 2905040.

The previous prime is 3631321. The next prime is 3631339. The reversal of 3631325 is 5231363.

It can be written as a sum of positive squares in 3 ways, for example, as 89401 + 3541924 = 299^2 + 1882^2 .

It is not a de Polignac number, because 3631325 - 2² = 3631321 is a prime.

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 3631325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3631321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72602 + ... + 72651.

It is an arithmetic number, because the mean of its divisors is an integer number (750479).

Almost surely, 2^3631325 is an apocalyptic number.

It is an amenable number.

3631325 is a deficient number, since it is larger than the sum of its proper divisors (871549).

3631325 is a wasteful number, since it uses less digits than its factorization.

3631325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145263 (or 145258 counting only the distinct ones).

The product of its digits is 1620, while the sum is 23.

The square root of 3631325 is about 1905.6035789219. The cubic root of 3631325 is about 153.7051337569.

Adding to 3631325 its reverse (5231363), we get a palindrome (8862688).

The spelling of 3631325 in words is "three million, six hundred thirty-one thousand, three hundred twenty-five".