4531531225 has 24 divisors (see below), whose sum is σ = 6058015040. Its totient is φ = 3342669120.

The previous prime is 4531531223. The next prime is 4531531241. The reversal of 4531531225 is 5221351354.

It is not a de Polignac number, because 4531531225 - 2¹ = 4531531223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4531531223) 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, 307066 + ... + 321484.

Almost surely, 2^4531531225 is an apocalyptic number.

It is an amenable number.

4531531225 is a deficient number, since it is larger than the sum of its proper divisors (1526483815).

4531531225 is a wasteful number, since it uses less digits than its factorization.

4531531225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15409 (or 15404 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 4531531225 is about 67316.6489436306. The cubic root of 4531531225 is about 1654.8107200100.

Adding to 4531531225 its reverse (5221351354), we get a palindrome (9752882579).

The spelling of 4531531225 in words is "four billion, five hundred thirty-one million, five hundred thirty-one thousand, two hundred twenty-five".