10643291 has 4 divisors (see below), whose sum is σ = 10869792. Its totient is φ = 10416792.

The previous prime is 10643267. The next prime is 10643329. The reversal of 10643291 is 19234601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10643291 - 2¹⁰ = 10642267 is a prime.

It is a super-2 number, since 2×10643291² = 226559286621362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10643291.

It is not an unprimeable number, because it can be changed into a prime (10643201) 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 3 ways as a sum of consecutive naturals, for example, 113180 + ... + 113273.

It is an arithmetic number, because the mean of its divisors is an integer number (2717448).

Almost surely, 2^10643291 is an apocalyptic number.

10643291 is a deficient number, since it is larger than the sum of its proper divisors (226501).

10643291 is an equidigital number, since it uses as much as digits as its factorization.

10643291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226500.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 10643291 is about 3262.4057074496. The cubic root of 10643291 is about 219.9675640885.

Adding to 10643291 its reverse (19234601), we get a palindrome (29877892).

The spelling of 10643291 in words is "ten million, six hundred forty-three thousand, two hundred ninety-one".