2143252 has 12 divisors (see below), whose sum is σ = 3781120. Its totient is φ = 1062936.

The previous prime is 2143243. The next prime is 2143259. The reversal of 2143252 is 2523412.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602 + ... + 2617.

2^2143252 is an apocalyptic number.

It is an amenable number.

2143252 is a deficient number, since it is larger than the sum of its proper divisors (1637868).

2143252 is a wasteful number, since it uses less digits than its factorization.

2143252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350 (or 4348 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 2143252 is about 1463.9849726005. The cubic root of 2143252 is about 128.9311172020.

Adding to 2143252 its reverse (2523412), we get a palindrome (4666664).

The spelling of 2143252 in words is "two million, one hundred forty-three thousand, two hundred fifty-two".