216250283 has 2 divisors, whose sum is σ = 216250284. Its totient is φ = 216250282.

The previous prime is 216250273. The next prime is 216250289. The reversal of 216250283 is 382052612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216250283 - 2⁶ = 216250219 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (216250289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108125141 + 108125142.

It is an arithmetic number, because the mean of its divisors is an integer number (108125142).

Almost surely, 2^216250283 is an apocalyptic number.

216250283 is a deficient number, since it is larger than the sum of its proper divisors (1).

216250283 is an equidigital number, since it uses as much as digits as its factorization.

216250283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 216250283 is about 14705.4507921383. The cubic root of 216250283 is about 600.2316540677.

The spelling of 216250283 in words is "two hundred sixteen million, two hundred fifty thousand, two hundred eighty-three".