216302153 has 4 divisors (see below), whose sum is σ = 216495888. Its totient is φ = 216108420.

The previous prime is 216302123. The next prime is 216302161. The reversal of 216302153 is 351203612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 216302153 - 2⁶ = 216302089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (216302123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95183 + ... + 97428.

It is an arithmetic number, because the mean of its divisors is an integer number (54123972).

Almost surely, 2^216302153 is an apocalyptic number.

It is an amenable number.

216302153 is a deficient number, since it is larger than the sum of its proper divisors (193735).

216302153 is a wasteful number, since it uses less digits than its factorization.

216302153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193734.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 216302153 is about 14707.2143181501. The cubic root of 216302153 is about 600.2796409443.

Adding to 216302153 its reverse (351203612), we get a palindrome (567505765).

The spelling of 216302153 in words is "two hundred sixteen million, three hundred two thousand, one hundred fifty-three".