2133925 has 12 divisors (see below), whose sum is σ = 2802276. Its totient is φ = 1606400.

The previous prime is 2133899. The next prime is 2133949. The reversal of 2133925 is 5293312.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 123201 + 2010724 = 351^2 + 1418^2 .

It is not a de Polignac number, because 2133925 - 2⁷ = 2133797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

2133925 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2133925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2086 + ... + 2935.

It is an arithmetic number, because the mean of its divisors is an integer number (233523).

2^2133925 is an apocalyptic number.

2133925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2133925 is a deficient number, since it is larger than the sum of its proper divisors (668351).

2133925 is a wasteful number, since it uses less digits than its factorization.

2133925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048 (or 5043 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 2133925 is about 1460.7960158763. The cubic root of 2133925 is about 128.7438178450.

The spelling of 2133925 in words is "two million, one hundred thirty-three thousand, nine hundred twenty-five".