2187251652 has 48 divisors (see below), whose sum is σ = 5378788800. Its totient is φ = 689863680.

The previous prime is 2187251611. The next prime is 2187251663. The reversal of 2187251652 is 2561527812.

2187251652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2187251652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195424 + ... + 206312.

It is an arithmetic number, because the mean of its divisors is an integer number (112058100).

Almost surely, 2^2187251652 is an apocalyptic number.

It is an amenable number.

2187251652 is an abundant number, since it is smaller than the sum of its proper divisors (3191537148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2187251652 is a wasteful number, since it uses less digits than its factorization.

2187251652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796 (or 11794 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 2187251652 is about 46768.0623075192. The cubic root of 2187251652 is about 1298.0743980598.

The spelling of 2187251652 in words is "two billion, one hundred eighty-seven million, two hundred fifty-one thousand, six hundred fifty-two".