8203213 has 2 divisors, whose sum is σ = 8203214. Its totient is φ = 8203212.

The previous prime is 8203199. The next prime is 8203241. The reversal of 8203213 is 3123028.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6770404 + 1432809 = 2602^2 + 1197^2 .

It is a cyclic number.

It is not a de Polignac number, because 8203213 - 2¹³ = 8195021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8203243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4101606 + 4101607.

It is an arithmetic number, because the mean of its divisors is an integer number (4101607).

Almost surely, 2^8203213 is an apocalyptic number.

It is an amenable number.

8203213 is a deficient number, since it is larger than the sum of its proper divisors (1).

8203213 is an equidigital number, since it uses as much as digits as its factorization.

8203213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 8203213 is about 2864.1251718457. The cubic root of 8203213 is about 201.6793019275.

It can be divided in two parts, 820 and 3213, that multiplied together give a triangular number (2634660 = T₂₂₉₅).

The spelling of 8203213 in words is "eight million, two hundred three thousand, two hundred thirteen".