3531031225 has 12 divisors (see below), whose sum is σ = 4381941760. Its totient is φ = 2822590800.

The previous prime is 3531031201. The next prime is 3531031241. The reversal of 3531031225 is 5221301353.

It is not a de Polignac number, because 3531031225 - 2¹⁹ = 3530506937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 3531031225.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 23241 + ... + 87190.

Almost surely, 2^3531031225 is an apocalyptic number.

It is an amenable number.

3531031225 is a deficient number, since it is larger than the sum of its proper divisors (850910535).

3531031225 is a wasteful number, since it uses less digits than its factorization.

3531031225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111720 (or 111715 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 3531031225 is about 59422.4808048267. The cubic root of 3531031225 is about 1522.7683887424.

Adding to 3531031225 its reverse (5221301353), we get a palindrome (8752332578).

The spelling of 3531031225 in words is "three billion, five hundred thirty-one million, thirty-one thousand, two hundred twenty-five".