213412333 has 2 divisors, whose sum is σ = 213412334. Its totient is φ = 213412332.

The previous prime is 213412321. The next prime is 213412357. The reversal of 213412333 is 333214312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168428484 + 44983849 = 12978^2 + 6707^2 .

It is a cyclic number.

It is not a de Polignac number, because 213412333 - 2¹⁷ = 213281261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213412393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106706166 + 106706167.

It is an arithmetic number, because the mean of its divisors is an integer number (106706167).

Almost surely, 2^213412333 is an apocalyptic number.

It is an amenable number.

213412333 is a deficient number, since it is larger than the sum of its proper divisors (1).

213412333 is an equidigital number, since it uses as much as digits as its factorization.

213412333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 22.

The square root of 213412333 is about 14608.6389852032. The cubic root of 213412333 is about 597.5943799138.

Adding to 213412333 its reverse (333214312), we get a palindrome (546626645).

The spelling of 213412333 in words is "two hundred thirteen million, four hundred twelve thousand, three hundred thirty-three".