3631011225 has 24 divisors (see below), whose sum is σ = 6005187072. Its totient is φ = 1935921600.

The previous prime is 3631011151. The next prime is 3631011229. The reversal of 3631011225 is 5221101363.

It is not a de Polignac number, because 3631011225 - 2¹² = 3631007129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3631011195 and 3631011204.

It is not an unprimeable number, because it can be changed into a prime (3631011229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 322440 + ... + 333510.

It is an arithmetic number, because the mean of its divisors is an integer number (250216128).

Almost surely, 2^3631011225 is an apocalyptic number.

It is an amenable number.

3631011225 is a deficient number, since it is larger than the sum of its proper divisors (2374175847).

3631011225 is a wasteful number, since it uses less digits than its factorization.

3631011225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15457 (or 15452 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3631011225 is about 60257.8727221597. The cubic root of 3631011225 is about 1537.0070651917.

Adding to 3631011225 its reverse (5221101363), we get a palindrome (8852112588).

The spelling of 3631011225 in words is "three billion, six hundred thirty-one million, eleven thousand, two hundred twenty-five".