205412303 has 2 divisors, whose sum is σ = 205412304. Its totient is φ = 205412302.

The previous prime is 205412299. The next prime is 205412321. The reversal of 205412303 is 303214502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205412303 - 2² = 205412299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205412903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102706151 + 102706152.

It is an arithmetic number, because the mean of its divisors is an integer number (102706152).

Almost surely, 2^205412303 is an apocalyptic number.

205412303 is a deficient number, since it is larger than the sum of its proper divisors (1).

205412303 is an equidigital number, since it uses as much as digits as its factorization.

205412303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 205412303 is about 14332.2120762986. The cubic root of 205412303 is about 590.0318885379.

Adding to 205412303 its reverse (303214502), we get a palindrome (508626805).

The spelling of 205412303 in words is "two hundred five million, four hundred twelve thousand, three hundred three".