2143355252 has 24 divisors (see below), whose sum is σ = 3874563840. Its totient is φ = 1036385280.

The previous prime is 2143355243. The next prime is 2143355281. The reversal of 2143355252 is 2525533412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201524 + ... + 211892.

It is an arithmetic number, because the mean of its divisors is an integer number (161440160).

Almost surely, 2^2143355252 is an apocalyptic number.

It is an amenable number.

2143355252 is a deficient number, since it is larger than the sum of its proper divisors (1731208588).

2143355252 is a wasteful number, since it uses less digits than its factorization.

2143355252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071 (or 12069 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 2143355252 is about 46296.3848696634. The cubic root of 2143355252 is about 1289.3318760432.

Adding to 2143355252 its reverse (2525533412), we get a palindrome (4668888664).

The spelling of 2143355252 in words is "two billion, one hundred forty-three million, three hundred fifty-five thousand, two hundred fifty-two".