204262843 has 2 divisors, whose sum is σ = 204262844. Its totient is φ = 204262842.

The previous prime is 204262823. The next prime is 204262853. The reversal of 204262843 is 348262402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204262843 is a prime.

It is not a weakly prime, because it can be changed into another prime (204262823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102131421 + 102131422.

It is an arithmetic number, because the mean of its divisors is an integer number (102131422).

Almost surely, 2^204262843 is an apocalyptic number.

204262843 is a deficient number, since it is larger than the sum of its proper divisors (1).

204262843 is an equidigital number, since it uses as much as digits as its factorization.

204262843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 204262843 is about 14292.0552405873. The cubic root of 204262843 is about 588.9292491713.

The spelling of 204262843 in words is "two hundred four million, two hundred sixty-two thousand, eight hundred forty-three".