635263 has 2 divisors, whose sum is σ = 635264. Its totient is φ = 635262.

The previous prime is 635251. The next prime is 635267. The reversal of 635263 is 362536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 635263 - 2¹³ = 627071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (635267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317631 + 317632.

It is an arithmetic number, because the mean of its divisors is an integer number (317632).

2⁶³⁵²⁶³ is an apocalyptic number.

635263 is a deficient number, since it is larger than the sum of its proper divisors (1).

635263 is an equidigital number, since it uses as much as digits as its factorization.

635263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 635263 is about 797.0338763189. The cubic root of 635263 is about 85.9642450971.

Adding to 635263 its reverse (362536), we get a palindrome (997799).

It can be divided in two parts, 635 and 263, that added together give a palindrome (898).

The spelling of 635263 in words is "six hundred thirty-five thousand, two hundred sixty-three".