10521263 has 2 divisors, whose sum is σ = 10521264. Its totient is φ = 10521262.

The previous prime is 10521253. The next prime is 10521289. The reversal of 10521263 is 36212501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10521263 - 2¹² = 10517167 is a prime.

It is a super-2 number, since 2×10521263² = 221393950230338, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10521253) 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, 5260631 + 5260632.

It is an arithmetic number, because the mean of its divisors is an integer number (5260632).

Almost surely, 2^10521263 is an apocalyptic number.

10521263 is a deficient number, since it is larger than the sum of its proper divisors (1).

10521263 is an equidigital number, since it uses as much as digits as its factorization.

10521263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 10521263 is about 3243.6496419928. The cubic root of 10521263 is about 219.1236695777.

Adding to 10521263 its reverse (36212501), we get a palindrome (46733764).

The spelling of 10521263 in words is "ten million, five hundred twenty-one thousand, two hundred sixty-three".