213271673 has 2 divisors, whose sum is σ = 213271674. Its totient is φ = 213271672.

The previous prime is 213271649. The next prime is 213271687. The reversal of 213271673 is 376172312.

213271673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160098409 + 53173264 = 12653^2 + 7292^2 .

It is a cyclic number.

It is not a de Polignac number, because 213271673 - 2²⁰ = 212223097 is a prime.

It is not a weakly prime, because it can be changed into another prime (213271573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106635836 + 106635837.

It is an arithmetic number, because the mean of its divisors is an integer number (106635837).

Almost surely, 2^213271673 is an apocalyptic number.

It is an amenable number.

213271673 is a deficient number, since it is larger than the sum of its proper divisors (1).

213271673 is an equidigital number, since it uses as much as digits as its factorization.

213271673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 32.

The square root of 213271673 is about 14603.8239170431. The cubic root of 213271673 is about 597.4630596374.

The spelling of 213271673 in words is "two hundred thirteen million, two hundred seventy-one thousand, six hundred seventy-three".