1612372225 has 24 divisors (see below), whose sum is σ = 2143791360. Its totient is φ = 1198629120.

The previous prime is 1612372213. The next prime is 1612372231. The reversal of 1612372225 is 5222732161.

It is not a de Polignac number, because 1612372225 - 2²⁹ = 1075501313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9564 + ... + 57586.

It is an arithmetic number, because the mean of its divisors is an integer number (89324640).

Almost surely, 2^1612372225 is an apocalyptic number.

It is an amenable number.

1612372225 is a deficient number, since it is larger than the sum of its proper divisors (531419135).

1612372225 is a wasteful number, since it uses less digits than its factorization.

1612372225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48129 (or 48124 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 1612372225 is about 40154.3549941971. The cubic root of 1612372225 is about 1172.6140750345.

The spelling of 1612372225 in words is "one billion, six hundred twelve million, three hundred seventy-two thousand, two hundred twenty-five".