7143001 has 2 divisors, whose sum is σ = 7143002. Its totient is φ = 7143000.

The previous prime is 7142987. The next prime is 7143007. The reversal of 7143001 is 1003417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6375625 + 767376 = 2525^2 + 876^2 .

It is an emirp because it is prime and its reverse (1003417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7143001 - 2¹¹ = 7140953 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7143007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571500 + 3571501.

It is an arithmetic number, because the mean of its divisors is an integer number (3571501).

Almost surely, 2^7143001 is an apocalyptic number.

It is an amenable number.

7143001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7143001 is an equidigital number, since it uses as much as digits as its factorization.

7143001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 7143001 is about 2672.6393321958. The cubic root of 7143001 is about 192.5869714386.

Adding to 7143001 its reverse (1003417), we get a palindrome (8146418).

The spelling of 7143001 in words is "seven million, one hundred forty-three thousand, one".