213330473 has 2 divisors, whose sum is σ = 213330474. Its totient is φ = 213330472.

The previous prime is 213330379. The next prime is 213330517. The reversal of 213330473 is 374033312.

213330473 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., 213072409 + 258064 = 14597^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 213330473 - 2¹⁶ = 213264937 is a prime.

It is not a weakly prime, because it can be changed into another prime (213360473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106665236 + 106665237.

It is an arithmetic number, because the mean of its divisors is an integer number (106665237).

Almost surely, 2^213330473 is an apocalyptic number.

It is an amenable number.

213330473 is a deficient number, since it is larger than the sum of its proper divisors (1).

213330473 is an equidigital number, since it uses as much as digits as its factorization.

213330473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 213330473 is about 14605.8369496582. The cubic root of 213330473 is about 597.5179623808.

Adding to 213330473 its reverse (374033312), we get a palindrome (587363785).

The spelling of 213330473 in words is "two hundred thirteen million, three hundred thirty thousand, four hundred seventy-three".