10643287 has 4 divisors (see below), whose sum is σ = 11203480. Its totient is φ = 10083096.

The previous prime is 10643267. The next prime is 10643329. The reversal of 10643287 is 78234601.

10643287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10643287 - 2⁷ = 10643159 is a prime.

It is a super-2 number, since 2×10643287² = 226559116328738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643257) 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, 280068 + ... + 280105.

It is an arithmetic number, because the mean of its divisors is an integer number (2800870).

Almost surely, 2^10643287 is an apocalyptic number.

10643287 is a deficient number, since it is larger than the sum of its proper divisors (560193).

10643287 is an equidigital number, since it uses as much as digits as its factorization.

10643287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560192.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 10643287 is about 3262.4050944050. The cubic root of 10643287 is about 219.9675365322.

Adding to 10643287 its reverse (78234601), we get a palindrome (88877888).

The spelling of 10643287 in words is "ten million, six hundred forty-three thousand, two hundred eighty-seven".