2171252 has 12 divisors (see below), whose sum is σ = 3815616. Its totient is φ = 1081080.

The previous prime is 2171249. The next prime is 2171261. The reversal of 2171252 is 2521712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (317968).

2^2171252 is an apocalyptic number.

It is an amenable number.

2171252 is a deficient number, since it is larger than the sum of its proper divisors (1644364).

2171252 is a wasteful number, since it uses less digits than its factorization.

2171252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2276 counting only the distinct ones).

The product of its digits is 280, while the sum is 20.

The square root of 2171252 is about 1473.5168814778. The cubic root of 2171252 is about 129.4901529460.

Adding to 2171252 its reverse (2521712), we get a palindrome (4692964).

The spelling of 2171252 in words is "two million, one hundred seventy-one thousand, two hundred fifty-two".