2132125225 has 12 divisors (see below), whose sum is σ = 2644441360. Its totient is φ = 1705309200.

The previous prime is 2132125213. The next prime is 2132125267. The reversal of 2132125225 is 5225212312.

It is a de Polignac number, because none of the positive numbers 2^k-2132125225 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 2132125225.

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, 157786 + ... + 170764.

Almost surely, 2^2132125225 is an apocalyptic number.

2132125225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2132125225 is a deficient number, since it is larger than the sum of its proper divisors (512316135).

2132125225 is a wasteful number, since it uses less digits than its factorization.

2132125225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19560 (or 19555 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 2132125225 is about 46174.9415267632. The cubic root of 2132125225 is about 1287.0761303031.

Adding to 2132125225 its reverse (5225212312), we get a palindrome (7357337537).

The spelling of 2132125225 in words is "two billion, one hundred thirty-two million, one hundred twenty-five thousand, two hundred twenty-five".