263590841 has 2 divisors, whose sum is σ = 263590842. Its totient is φ = 263590840.

The previous prime is 263590801. The next prime is 263590853. The reversal of 263590841 is 148095362.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223951225 + 39639616 = 14965^2 + 6296^2 .

It is a cyclic number.

It is not a de Polignac number, because 263590841 - 2¹⁰ = 263589817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263590795 and 263590804.

It is not a weakly prime, because it can be changed into another prime (263590801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131795420 + 131795421.

It is an arithmetic number, because the mean of its divisors is an integer number (131795421).

Almost surely, 2^263590841 is an apocalyptic number.

It is an amenable number.

263590841 is a deficient number, since it is larger than the sum of its proper divisors (1).

263590841 is an equidigital number, since it uses as much as digits as its factorization.

263590841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 263590841 is about 16235.4809291256. The cubic root of 263590841 is about 641.1752826344.

The spelling of 263590841 in words is "two hundred sixty-three million, five hundred ninety thousand, eight hundred forty-one".