2133855625 has 20 divisors (see below), whose sum is σ = 2908881360. Its totient is φ = 1551890000.

The previous prime is 2133855617. The next prime is 2133855637. The reversal of 2133855625 is 5265583312.

It is not a de Polignac number, because 2133855625 - 2³ = 2133855617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 148315 + ... + 162064.

It is an arithmetic number, because the mean of its divisors is an integer number (145444068).

Almost surely, 2^2133855625 is an apocalyptic number.

2133855625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2133855625 is a deficient number, since it is larger than the sum of its proper divisors (775025735).

2133855625 is an equidigital number, since it uses as much as digits as its factorization.

2133855625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310410 (or 310395 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 2133855625 is about 46193.6751622990. The cubic root of 2133855625 is about 1287.4242265394.

It can be divided in two parts, 2133 and 855625, that added together give a palindrome (857758).

The spelling of 2133855625 in words is "two billion, one hundred thirty-three million, eight hundred fifty-five thousand, six hundred twenty-five".