213286027 has 2 divisors, whose sum is σ = 213286028. Its totient is φ = 213286026.

The previous prime is 213285973. The next prime is 213286057. The reversal of 213286027 is 720682312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213286027 - 2¹⁹ = 212761739 is a prime.

It is equal to p_11772904 and since 213286027 and 11772904 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213286027.

It is not a weakly prime, because it can be changed into another prime (213286057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106643013 + 106643014.

It is an arithmetic number, because the mean of its divisors is an integer number (106643014).

Almost surely, 2^213286027 is an apocalyptic number.

213286027 is a deficient number, since it is larger than the sum of its proper divisors (1).

213286027 is an equidigital number, since it uses as much as digits as its factorization.

213286027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 213286027 is about 14604.3153554010. The cubic root of 213286027 is about 597.4764631870.

The spelling of 213286027 in words is "two hundred thirteen million, two hundred eighty-six thousand, twenty-seven".