216325562 has 4 divisors (see below), whose sum is σ = 324488346. Its totient is φ = 108162780.

The previous prime is 216325559. The next prime is 216325567. The reversal of 216325562 is 265523612.

216325562 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 117700801 + 98624761 = 10849^2 + 9931^2 .

It is not an unprimeable number, because it can be changed into a prime (216325567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54081389 + ... + 54081392.

Almost surely, 2^216325562 is an apocalyptic number.

216325562 is a deficient number, since it is larger than the sum of its proper divisors (108162784).

216325562 is a wasteful number, since it uses less digits than its factorization.

216325562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108162783.

The product of its digits is 21600, while the sum is 32.

The square root of 216325562 is about 14708.0101305377. The cubic root of 216325562 is about 600.3012949732.

The spelling of 216325562 in words is "two hundred sixteen million, three hundred twenty-five thousand, five hundred sixty-two".