216852043 has 2 divisors, whose sum is σ = 216852044. Its totient is φ = 216852042.

The previous prime is 216851953. The next prime is 216852059. The reversal of 216852043 is 340258612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216852043 - 2¹⁷ = 216720971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216851996 and 216852014.

It is not a weakly prime, because it can be changed into another prime (216852443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108426021 + 108426022.

It is an arithmetic number, because the mean of its divisors is an integer number (108426022).

Almost surely, 2^216852043 is an apocalyptic number.

216852043 is a deficient number, since it is larger than the sum of its proper divisors (1).

216852043 is an equidigital number, since it uses as much as digits as its factorization.

216852043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 216852043 is about 14725.8970185181. The cubic root of 216852043 is about 600.7878936236.

The spelling of 216852043 in words is "two hundred sixteen million, eight hundred fifty-two thousand, forty-three".