2143552052 has 12 divisors (see below), whose sum is σ = 3880568580. Its totient is φ = 1034818176.

The previous prime is 2143552027. The next prime is 2143552063. The reversal of 2143552052 is 2502553412.

It can be written as a sum of positive squares in 2 ways, for example, as 1227521296 + 916030756 = 35036^2 + 30266^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 9239333 + ... + 9239564.

It is an arithmetic number, because the mean of its divisors is an integer number (323380715).

Almost surely, 2^2143552052 is an apocalyptic number.

It is an amenable number.

2143552052 is a deficient number, since it is larger than the sum of its proper divisors (1737016528).

2143552052 is a wasteful number, since it uses less digits than its factorization.

2143552052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18478930 (or 18478928 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2143552052 is about 46298.5102568106. The cubic root of 2143552052 is about 1289.3713364091.

The spelling of 2143552052 in words is "two billion, one hundred forty-three million, five hundred fifty-two thousand, fifty-two".