216052097 has 4 divisors (see below), whose sum is σ = 227423280. Its totient is φ = 204680916.

The previous prime is 216052093. The next prime is 216052127. The reversal of 216052097 is 790250612.

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 216052097 - 2² = 216052093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216052093) 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, 5685563 + ... + 5685600.

It is an arithmetic number, because the mean of its divisors is an integer number (56855820).

Almost surely, 2^216052097 is an apocalyptic number.

It is an amenable number.

216052097 is a deficient number, since it is larger than the sum of its proper divisors (11371183).

216052097 is a wasteful number, since it uses less digits than its factorization.

216052097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11371182.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 216052097 is about 14698.7107257746. The cubic root of 216052097 is about 600.0482340853.

The spelling of 216052097 in words is "two hundred sixteen million, fifty-two thousand, ninety-seven".