10645263 has 20 divisors (see below), whose sum is σ = 16741560. Its totient is φ = 6722352.

The previous prime is 10645249. The next prime is 10645273. The reversal of 10645263 is 36254601.

10645263 is a `hidden beast` number, since 10 + 645 + 2 + 6 + 3 = 666.

It is not a de Polignac number, because 10645263 - 2⁵ = 10645231 is a prime.

It is a super-2 number, since 2×10645263² = 226643248678338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645223) 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 19 ways as a sum of consecutive naturals, for example, 1920 + ... + 4997.

It is an arithmetic number, because the mean of its divisors is an integer number (837078).

Almost surely, 2^10645263 is an apocalyptic number.

10645263 is a deficient number, since it is larger than the sum of its proper divisors (6096297).

10645263 is an equidigital number, since it uses as much as digits as its factorization.

10645263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6948 (or 6939 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 10645263 is about 3262.7079244088. The cubic root of 10645263 is about 219.9811485224.

Adding to 10645263 its reverse (36254601), we get a palindrome (46899864).

It can be divided in two parts, 106 and 45263, that added together give a square (45369 = 213²).

The spelling of 10645263 in words is "ten million, six hundred forty-five thousand, two hundred sixty-three".