10543971 has 4 divisors (see below), whose sum is σ = 14058632. Its totient is φ = 7029312.

The previous prime is 10543957. The next prime is 10544003. The reversal of 10543971 is 17934501.

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

It is a de Polignac number, because none of the positive numbers 2^k-10543971 is a prime.

It is a super-2 number, since 2×10543971² = 222350648897682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10553971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1757326 + ... + 1757331.

It is an arithmetic number, because the mean of its divisors is an integer number (3514658).

Almost surely, 2^10543971 is an apocalyptic number.

10543971 is a deficient number, since it is larger than the sum of its proper divisors (3514661).

10543971 is an equidigital number, since it uses as much as digits as its factorization.

10543971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514660.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 10543971 is about 3247.1481333626. The cubic root of 10543971 is about 219.2812008798.

The spelling of 10543971 in words is "ten million, five hundred forty-three thousand, nine hundred seventy-one".