52281263 has 2 divisors, whose sum is σ = 52281264. Its totient is φ = 52281262.

The previous prime is 52281241. The next prime is 52281289. The reversal of 52281263 is 36218225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52281263 - 2⁶ = 52281199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52281233) 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, 26140631 + 26140632.

It is an arithmetic number, because the mean of its divisors is an integer number (26140632).

Almost surely, 2^52281263 is an apocalyptic number.

52281263 is a deficient number, since it is larger than the sum of its proper divisors (1).

52281263 is an equidigital number, since it uses as much as digits as its factorization.

52281263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 52281263 is about 7230.5783309497. The cubic root of 52281263 is about 373.9228657881.

Adding to 52281263 its reverse (36218225), we get a palindrome (88499488).

The spelling of 52281263 in words is "fifty-two million, two hundred eighty-one thousand, two hundred sixty-three".