213046271 has 2 divisors, whose sum is σ = 213046272. Its totient is φ = 213046270.

The previous prime is 213046247. The next prime is 213046279. The reversal of 213046271 is 172640312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213046271 - 2¹⁸ = 212784127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213046271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213046279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106523135 + 106523136.

It is an arithmetic number, because the mean of its divisors is an integer number (106523136).

Almost surely, 2^213046271 is an apocalyptic number.

213046271 is a deficient number, since it is larger than the sum of its proper divisors (1).

213046271 is an equidigital number, since it uses as much as digits as its factorization.

213046271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 213046271 is about 14596.1046515843. The cubic root of 213046271 is about 597.2525037182.

Adding to 213046271 its reverse (172640312), we get a palindrome (385686583).

The spelling of 213046271 in words is "two hundred thirteen million, forty-six thousand, two hundred seventy-one".