216275052 has 24 divisors (see below), whose sum is σ = 576733696. Its totient is φ = 61792848.

The previous prime is 216275051. The next prime is 216275077. The reversal of 216275052 is 250572612.

216275052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216275051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1287268 + ... + 1287435.

Almost surely, 2^216275052 is an apocalyptic number.

It is an amenable number.

216275052 is an abundant number, since it is smaller than the sum of its proper divisors (360458644).

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

216275052 is a wasteful number, since it uses less digits than its factorization.

216275052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574717 (or 2574715 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 216275052 is about 14706.2929387388. The cubic root of 216275052 is about 600.2545697529.

The spelling of 216275052 in words is "two hundred sixteen million, two hundred seventy-five thousand, fifty-two".