7005143 has 4 divisors (see below), whose sum is σ = 7011480. Its totient is φ = 6998808.

The previous prime is 7005127. The next prime is 7005151. The reversal of 7005143 is 3415007.

It is a happy number.

7005143 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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3415007 = 971 ⋅3517.

It is a cyclic number.

It is not a de Polignac number, because 7005143 - 2⁴ = 7005127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7005113) 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, 1028 + ... + 3881.

It is an arithmetic number, because the mean of its divisors is an integer number (1752870).

Almost surely, 2^7005143 is an apocalyptic number.

7005143 is a deficient number, since it is larger than the sum of its proper divisors (6337).

7005143 is a wasteful number, since it uses less digits than its factorization.

7005143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6336.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 7005143 is about 2646.7230682487. The cubic root of 7005143 is about 191.3399554041.

The spelling of 7005143 in words is "seven million, five thousand, one hundred forty-three".