253305263 has 2 divisors, whose sum is σ = 253305264. Its totient is φ = 253305262.

The previous prime is 253305229. The next prime is 253305271. The reversal of 253305263 is 362503352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253305263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253305203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126652631 + 126652632.

It is an arithmetic number, because the mean of its divisors is an integer number (126652632).

Almost surely, 2^253305263 is an apocalyptic number.

253305263 is a deficient number, since it is larger than the sum of its proper divisors (1).

253305263 is an equidigital number, since it uses as much as digits as its factorization.

253305263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 29.

The square root of 253305263 is about 15915.5666879945. The cubic root of 253305263 is about 632.7246260135.

The spelling of 253305263 in words is "two hundred fifty-three million, three hundred five thousand, two hundred sixty-three".