10531263 has 32 divisors (see below), whose sum is σ = 16012800. Its totient is φ = 6120576.

The previous prime is 10531249. The next prime is 10531271. The reversal of 10531263 is 36213501.

It is not a de Polignac number, because 10531263 - 2⁴ = 10531247 is a prime.

It is a super-2 number, since 2×10531263² = 221815000750338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10531063) 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 in 31 ways as a sum of consecutive naturals, for example, 37881 + ... + 38157.

It is an arithmetic number, because the mean of its divisors is an integer number (500400).

Almost surely, 2^10531263 is an apocalyptic number.

10531263 is a deficient number, since it is larger than the sum of its proper divisors (5481537).

10531263 is a wasteful number, since it uses less digits than its factorization.

10531263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 10531263 is about 3245.1907494013. The cubic root of 10531263 is about 219.1930700808.

Adding to 10531263 its reverse (36213501), we get a palindrome (46744764).

The spelling of 10531263 in words is "ten million, five hundred thirty-one thousand, two hundred sixty-three".