213541333 has 2 divisors, whose sum is σ = 213541334. Its totient is φ = 213541332.

The previous prime is 213541327. The next prime is 213541337. The reversal of 213541333 is 333145312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134722449 + 78818884 = 11607^2 + 8878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213541333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213541298 and 213541307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213541337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106770666 + 106770667.

It is an arithmetic number, because the mean of its divisors is an integer number (106770667).

Almost surely, 2^213541333 is an apocalyptic number.

It is an amenable number.

213541333 is a deficient number, since it is larger than the sum of its proper divisors (1).

213541333 is an equidigital number, since it uses as much as digits as its factorization.

213541333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 213541333 is about 14613.0535138964. The cubic root of 213541333 is about 597.7147636900.

Adding to 213541333 its reverse (333145312), we get a palindrome (546686645).

The spelling of 213541333 in words is "two hundred thirteen million, five hundred forty-one thousand, three hundred thirty-three".