2158252 has 18 divisors (see below), whose sum is σ = 4014332. Its totient is φ = 1015104.

The previous prime is 2158237. The next prime is 2158259. The reversal of 2158252 is 2528512.

2158252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2158259) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 223 + ... + 2089.

2^2158252 is an apocalyptic number.

It is an amenable number.

2158252 is a deficient number, since it is larger than the sum of its proper divisors (1856080).

2158252 is a wasteful number, since it uses less digits than its factorization.

2158252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1886 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 2158252 is about 1469.0990436318. The cubic root of 2158252 is about 129.2312020670.

The spelling of 2158252 in words is "two million, one hundred fifty-eight thousand, two hundred fifty-two".