204249343 has 2 divisors, whose sum is σ = 204249344. Its totient is φ = 204249342.

The previous prime is 204249341. The next prime is 204249347. The reversal of 204249343 is 343942402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204249343 - 2¹ = 204249341 is a prime.

Together with 204249341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204249341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102124671 + 102124672.

It is an arithmetic number, because the mean of its divisors is an integer number (102124672).

Almost surely, 2^204249343 is an apocalyptic number.

204249343 is a deficient number, since it is larger than the sum of its proper divisors (1).

204249343 is an equidigital number, since it uses as much as digits as its factorization.

204249343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 204249343 is about 14291.5829424175. The cubic root of 204249343 is about 588.9162745159.

The spelling of 204249343 in words is "two hundred four million, two hundred forty-nine thousand, three hundred forty-three".