204214403 has 2 divisors, whose sum is σ = 204214404. Its totient is φ = 204214402.

The previous prime is 204214393. The next prime is 204214429. The reversal of 204214403 is 304412402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204214403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204214303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102107201 + 102107202.

It is an arithmetic number, because the mean of its divisors is an integer number (102107202).

Almost surely, 2^204214403 is an apocalyptic number.

204214403 is a deficient number, since it is larger than the sum of its proper divisors (1).

204214403 is an equidigital number, since it uses as much as digits as its factorization.

204214403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204214403 is about 14290.3604923039. The cubic root of 204214403 is about 588.8826915306.

Adding to 204214403 its reverse (304412402), we get a palindrome (508626805).

The spelling of 204214403 in words is "two hundred four million, two hundred fourteen thousand, four hundred three".