205114014257 has 2 divisors, whose sum is σ = 205114014258. Its totient is φ = 205114014256.

The previous prime is 205114014221. The next prime is 205114014269. The reversal of 205114014257 is 752410411502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194413973776 + 10700040481 = 440924^2 + 103441^2 .

It is a cyclic number.

It is not a de Polignac number, because 205114014257 - 2¹⁸ = 205113752113 is a prime.

It is not a weakly prime, because it can be changed into another prime (205114214257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102557007128 + 102557007129.

It is an arithmetic number, because the mean of its divisors is an integer number (102557007129).

Almost surely, 2^205114014257 is an apocalyptic number.

It is an amenable number.

205114014257 is a deficient number, since it is larger than the sum of its proper divisors (1).

205114014257 is an equidigital number, since it uses as much as digits as its factorization.

205114014257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 205114014257 its reverse (752410411502), we get a palindrome (957524425759).

The spelling of 205114014257 in words is "two hundred five billion, one hundred fourteen million, fourteen thousand, two hundred fifty-seven".