213649883 has 2 divisors, whose sum is σ = 213649884. Its totient is φ = 213649882.

The previous prime is 213649871. The next prime is 213649937. The reversal of 213649883 is 388946312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213649883 - 2⁴ = 213649867 is a prime.

It is not a weakly prime, because it can be changed into another prime (213649853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106824941 + 106824942.

It is an arithmetic number, because the mean of its divisors is an integer number (106824942).

Almost surely, 2^213649883 is an apocalyptic number.

213649883 is a deficient number, since it is larger than the sum of its proper divisors (1).

213649883 is an equidigital number, since it uses as much as digits as its factorization.

213649883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 213649883 is about 14616.7671870356. The cubic root of 213649883 is about 597.8160258140.

The spelling of 213649883 in words is "two hundred thirteen million, six hundred forty-nine thousand, eight hundred eighty-three".