3561443225 has 12 divisors (see below), whose sum is σ = 4419278160. Its totient is φ = 2847162000.

The previous prime is 3561443191. The next prime is 3561443273. The reversal of 3561443225 is 5223441653.

It is not a de Polignac number, because 3561443225 - 2²⁴ = 3544666009 is a prime.

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, 12815 + ... + 85364.

It is an arithmetic number, because the mean of its divisors is an integer number (368273180).

Almost surely, 2^3561443225 is an apocalyptic number.

It is an amenable number.

3561443225 is a deficient number, since it is larger than the sum of its proper divisors (857834935).

3561443225 is a wasteful number, since it uses less digits than its factorization.

3561443225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99640 (or 99635 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 3561443225 is about 59677.8285881784. The cubic root of 3561443225 is about 1527.1276545355.

Adding to 3561443225 its reverse (5223441653), we get a palindrome (8784884878).

The spelling of 3561443225 in words is "three billion, five hundred sixty-one million, four hundred forty-three thousand, two hundred twenty-five".