7143113 has 6 divisors (see below), whose sum is σ = 7381962. Its totient is φ = 6911760.

The previous prime is 7143089. The next prime is 7143119. The reversal of 7143113 is 3113417.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4443664 + 2699449 = 2108^2 + 1643^2 .

It is not a de Polignac number, because 7143113 - 2⁶ = 7143049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7143119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2756 + ... + 4677.

It is an arithmetic number, because the mean of its divisors is an integer number (1230327).

Almost surely, 2^7143113 is an apocalyptic number.

It is an amenable number.

7143113 is a deficient number, since it is larger than the sum of its proper divisors (238849).

7143113 is an equidigital number, since it uses as much as digits as its factorization.

7143113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495 (or 7464 counting only the distinct ones).

The product of its digits is 252, while the sum is 20.

The square root of 7143113 is about 2672.6602851840. The cubic root of 7143113 is about 192.5879780010.

The spelling of 7143113 in words is "seven million, one hundred forty-three thousand, one hundred thirteen".