203275645057 has 2 divisors, whose sum is σ = 203275645058. Its totient is φ = 203275645056.

The previous prime is 203275645039. The next prime is 203275645081. The reversal of 203275645057 is 750546572302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134589194496 + 68686450561 = 366864^2 + 262081^2 .

It is a cyclic number.

It is not a de Polignac number, because 203275645057 - 2¹¹ = 203275643009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203275644998 and 203275645016.

It is not a weakly prime, because it can be changed into another prime (203275648057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101637822528 + 101637822529.

It is an arithmetic number, because the mean of its divisors is an integer number (101637822529).

Almost surely, 2^203275645057 is an apocalyptic number.

It is an amenable number.

203275645057 is a deficient number, since it is larger than the sum of its proper divisors (1).

203275645057 is an equidigital number, since it uses as much as digits as its factorization.

203275645057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 203275645057 in words is "two hundred three billion, two hundred seventy-five million, six hundred forty-five thousand, fifty-seven".