212783383 has 2 divisors, whose sum is σ = 212783384. Its totient is φ = 212783382.

The previous prime is 212783273. The next prime is 212783423. The reversal of 212783383 is 383387212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212783383 - 2¹⁷ = 212652311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212783183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106391691 + 106391692.

It is an arithmetic number, because the mean of its divisors is an integer number (106391692).

Almost surely, 2^212783383 is an apocalyptic number.

212783383 is a deficient number, since it is larger than the sum of its proper divisors (1).

212783383 is an equidigital number, since it uses as much as digits as its factorization.

212783383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 212783383 is about 14587.0964554294. The cubic root of 212783383 is about 597.0067431131.

The spelling of 212783383 in words is "two hundred twelve million, seven hundred eighty-three thousand, three hundred eighty-three".