205424114251 has 2 divisors, whose sum is σ = 205424114252. Its totient is φ = 205424114250.

The previous prime is 205424114237. The next prime is 205424114303. The reversal of 205424114251 is 152411424502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205424114251 - 2¹¹ = 205424112203 is a prime.

It is not a weakly prime, because it can be changed into another prime (205424114351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102712057125 + 102712057126.

It is an arithmetic number, because the mean of its divisors is an integer number (102712057126).

Almost surely, 2^205424114251 is an apocalyptic number.

205424114251 is a deficient number, since it is larger than the sum of its proper divisors (1).

205424114251 is an equidigital number, since it uses as much as digits as its factorization.

205424114251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 205424114251 its reverse (152411424502), we get a palindrome (357835538753).

The spelling of 205424114251 in words is "two hundred five billion, four hundred twenty-four million, one hundred fourteen thousand, two hundred fifty-one".