203504532641 has 2 divisors, whose sum is σ = 203504532642. Its totient is φ = 203504532640.

The previous prime is 203504532629. The next prime is 203504532683. The reversal of 203504532641 is 146235405302.

203504532641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182048142241 + 21456390400 = 426671^2 + 146480^2 .

It is a cyclic number.

It is not a de Polignac number, because 203504532641 - 2³⁰ = 202430790817 is a prime.

It is not a weakly prime, because it can be changed into another prime (203504532601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101752266320 + 101752266321.

It is an arithmetic number, because the mean of its divisors is an integer number (101752266321).

Almost surely, 2^203504532641 is an apocalyptic number.

It is an amenable number.

203504532641 is a deficient number, since it is larger than the sum of its proper divisors (1).

203504532641 is an equidigital number, since it uses as much as digits as its factorization.

203504532641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 203504532641 its reverse (146235405302), we get a palindrome (349739937943).

The spelling of 203504532641 in words is "two hundred three billion, five hundred four million, five hundred thirty-two thousand, six hundred forty-one".