10643537 has 4 divisors (see below), whose sum is σ = 10714176. Its totient is φ = 10572900.

The previous prime is 10643527. The next prime is 10643543. The reversal of 10643537 is 73534601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10643537 is a prime.

It is a super-2 number, since 2×10643537² = 226569759740738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10643527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35093 + ... + 35394.

It is an arithmetic number, because the mean of its divisors is an integer number (2678544).

Almost surely, 2^10643537 is an apocalyptic number.

It is an amenable number.

10643537 is a deficient number, since it is larger than the sum of its proper divisors (70639).

10643537 is an equidigital number, since it uses as much as digits as its factorization.

10643537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70638.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 10643537 is about 3262.4434094709. The cubic root of 10643537 is about 219.9692587900.

The spelling of 10643537 in words is "ten million, six hundred forty-three thousand, five hundred thirty-seven".