205112351 has 2 divisors, whose sum is σ = 205112352. Its totient is φ = 205112350.

The previous prime is 205112329. The next prime is 205112359. The reversal of 205112351 is 153211502.

It is a happy number.

205112351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205112351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205112359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102556175 + 102556176.

It is an arithmetic number, because the mean of its divisors is an integer number (102556176).

Almost surely, 2^205112351 is an apocalyptic number.

205112351 is a deficient number, since it is larger than the sum of its proper divisors (1).

205112351 is an equidigital number, since it uses as much as digits as its factorization.

205112351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 205112351 is about 14321.7439929640. The cubic root of 205112351 is about 589.7445518697.

Adding to 205112351 its reverse (153211502), we get a palindrome (358323853).

The spelling of 205112351 in words is "two hundred five million, one hundred twelve thousand, three hundred fifty-one".