10263645 has 32 divisors (see below), whose sum is σ = 20855040. Its totient is φ = 4691520.

The previous prime is 10263637. The next prime is 10263647. The reversal of 10263645 is 54636201.

10263645 is a `hidden beast` number, since 10 + 2 + 6 + 3 + 645 = 666.

It is not a de Polignac number, because 10263645 - 2³ = 10263637 is a prime.

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 (10263647) 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, 4486 + ... + 6375.

It is an arithmetic number, because the mean of its divisors is an integer number (651720).

Almost surely, 2^10263645 is an apocalyptic number.

10263645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10263645 is an abundant number, since it is smaller than the sum of its proper divisors (10591395).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10263645 is a wasteful number, since it uses less digits than its factorization.

10263645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10882 (or 10876 counting only the distinct ones).

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

The square root of 10263645 is about 3203.6924009649. The cubic root of 10263645 is about 217.3204225229.

Adding to 10263645 its reverse (54636201), we get a palindrome (64899846).

The spelling of 10263645 in words is "ten million, two hundred sixty-three thousand, six hundred forty-five".