205024485797 has 2 divisors, whose sum is σ = 205024485798. Its totient is φ = 205024485796.

The previous prime is 205024485793. The next prime is 205024485829. The reversal of 205024485797 is 797584420502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134271677761 + 70752808036 = 366431^2 + 265994^2 .

It is a cyclic number.

It is not a de Polignac number, because 205024485797 - 2² = 205024485793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (205024485793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102512242898 + 102512242899.

It is an arithmetic number, because the mean of its divisors is an integer number (102512242899).

Almost surely, 2^205024485797 is an apocalyptic number.

It is an amenable number.

205024485797 is a deficient number, since it is larger than the sum of its proper divisors (1).

205024485797 is an equidigital number, since it uses as much as digits as its factorization.

205024485797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 205024485797 in words is "two hundred five billion, twenty-four million, four hundred eighty-five thousand, seven hundred ninety-seven".