263955053 has 2 divisors, whose sum is σ = 263955054. Its totient is φ = 263955052.

The previous prime is 263955047. The next prime is 263955119. The reversal of 263955053 is 350559362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241553764 + 22401289 = 15542^2 + 4733^2 .

It is a cyclic number.

It is not a de Polignac number, because 263955053 - 2⁶ = 263954989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 263954998 and 263955016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263955553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131977526 + 131977527.

It is an arithmetic number, because the mean of its divisors is an integer number (131977527).

Almost surely, 2^263955053 is an apocalyptic number.

It is an amenable number.

263955053 is a deficient number, since it is larger than the sum of its proper divisors (1).

263955053 is an equidigital number, since it uses as much as digits as its factorization.

263955053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 38.

The square root of 263955053 is about 16246.6936020841. The cubic root of 263955053 is about 641.4704576082.

The spelling of 263955053 in words is "two hundred sixty-three million, nine hundred fifty-five thousand, fifty-three".