263775053 has 2 divisors, whose sum is σ = 263775054. Its totient is φ = 263775052.

The previous prime is 263775023. The next prime is 263775059. The reversal of 263775053 is 350577362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211906249 + 51868804 = 14557^2 + 7202^2 .

It is a cyclic number.

It is not a de Polignac number, because 263775053 - 2⁶ = 263774989 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 263774998 and 263775016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263775059) 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, 131887526 + 131887527.

It is an arithmetic number, because the mean of its divisors is an integer number (131887527).

Almost surely, 2^263775053 is an apocalyptic number.

It is an amenable number.

263775053 is a deficient number, since it is larger than the sum of its proper divisors (1).

263775053 is an equidigital number, since it uses as much as digits as its factorization.

263775053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 38.

The square root of 263775053 is about 16241.1530686710. The cubic root of 263775053 is about 641.3246108849.

The spelling of 263775053 in words is "two hundred sixty-three million, seven hundred seventy-five thousand, fifty-three".