15263 has 2 divisors, whose sum is σ = 15264. Its totient is φ = 15262.

The previous prime is 15259. The next prime is 15269. The reversal of 15263 is 36251.

It is a weak prime.

It is an emirp because it is prime and its reverse (36251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15263 - 2² = 15259 is a prime.

It is equal to p₁₇₈₁ and since 15263 and 1781 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7631 + 7632.

It is an arithmetic number, because the mean of its divisors is an integer number (7632).

2¹⁵²⁶³ is an apocalyptic number.

15263 is a deficient number, since it is larger than the sum of its proper divisors (1).

15263 is an equidigital number, since it uses as much as digits as its factorization.

15263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 17.

The square root of 15263 is about 123.5435146011. The cubic root of 15263 is about 24.8054228516.

The spelling of 15263 in words is "fifteen thousand, two hundred sixty-three".