202243 has 2 divisors, whose sum is σ = 202244. Its totient is φ = 202242.

The previous prime is 202231. The next prime is 202277. The reversal of 202243 is 342202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202243 - 2⁹ = 201731 is a prime.

It is a d-powerful number, because it can be written as 2³ + 0 + 2⁹ + 2¹³ + 4⁷ + 3¹¹ .

202243 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (202343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101121 + 101122.

It is an arithmetic number, because the mean of its divisors is an integer number (101122).

2²⁰²²⁴³ is an apocalyptic number.

202243 is a deficient number, since it is larger than the sum of its proper divisors (1).

202243 is an equidigital number, since it uses as much as digits as its factorization.

202243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 202243 is about 449.7143537847. The cubic root of 202243 is about 58.6981616072.

Adding to 202243 its reverse (342202), we get a palindrome (544445).

The spelling of 202243 in words is "two hundred two thousand, two hundred forty-three", and thus it is an iban number.