3125331225 has 36 divisors (see below), whose sum is σ = 5605891200. Its totient is φ = 1664438880.

The previous prime is 3125331197. The next prime is 3125331257. The reversal of 3125331225 is 5221335213.

It is a happy number.

3125331225 is a `hidden beast` number, since 3 + 1 + 2 + 533 + 122 + 5 = 666.

It is not a de Polignac number, because 3125331225 - 2⁶ = 3125331161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 152116 + ... + 171434.

It is an arithmetic number, because the mean of its divisors is an integer number (155719200).

Almost surely, 2^3125331225 is an apocalyptic number.

It is an amenable number.

3125331225 is a deficient number, since it is larger than the sum of its proper divisors (2480559975).

3125331225 is a wasteful number, since it uses less digits than its factorization.

3125331225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20054 (or 20046 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3125331225 is about 55904.6619254602. The cubic root of 3125331225 is about 1462.0605210296.

Adding to 3125331225 its reverse (5221335213), we get a palindrome (8346666438).

The spelling of 3125331225 in words is "three billion, one hundred twenty-five million, three hundred thirty-one thousand, two hundred twenty-five".