6533213 has 2 divisors, whose sum is σ = 6533214. Its totient is φ = 6533212.

The previous prime is 6533209. The next prime is 6533239. The reversal of 6533213 is 3123356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3833764 + 2699449 = 1958^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 6533213 - 2² = 6533209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6533273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3266606 + 3266607.

It is an arithmetic number, because the mean of its divisors is an integer number (3266607).

Almost surely, 2^6533213 is an apocalyptic number.

It is an amenable number.

6533213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6533213 is an equidigital number, since it uses as much as digits as its factorization.

6533213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 23.

The square root of 6533213 is about 2556.0150625534. The cubic root of 6533213 is about 186.9428843651.

Adding to 6533213 its reverse (3123356), we get a palindrome (9656569).

The spelling of 6533213 in words is "six million, five hundred thirty-three thousand, two hundred thirteen".