216852001 has 4 divisors (see below), whose sum is σ = 217141504. Its totient is φ = 216562500.

The previous prime is 216851953. The next prime is 216852043. The reversal of 216852001 is 100258612.

216852001 is digitally balanced in base 2, 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, 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 216852001 - 2⁹ = 216851489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216852061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143625 + ... + 145126.

It is an arithmetic number, because the mean of its divisors is an integer number (54285376).

Almost surely, 2^216852001 is an apocalyptic number.

It is an amenable number.

216852001 is a deficient number, since it is larger than the sum of its proper divisors (289503).

216852001 is an equidigital number, since it uses as much as digits as its factorization.

216852001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289502.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 216852001 is about 14725.8955924589. The cubic root of 216852001 is about 600.7878548366.

The spelling of 216852001 in words is "two hundred sixteen million, eight hundred fifty-two thousand, one".