7143313 has 2 divisors, whose sum is σ = 7143314. Its totient is φ = 7143312.

The previous prime is 7143277. The next prime is 7143319. The reversal of 7143313 is 3133417.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5870929 + 1272384 = 2423^2 + 1128^2 .

It is a cyclic number.

It is not a de Polignac number, because 7143313 - 2¹⁷ = 7012241 is a prime.

It is not a weakly prime, because it can be changed into another prime (7143319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571656 + 3571657.

It is an arithmetic number, because the mean of its divisors is an integer number (3571657).

Almost surely, 2^7143313 is an apocalyptic number.

It is an amenable number.

7143313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7143313 is an equidigital number, since it uses as much as digits as its factorization.

7143313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 22.

The square root of 7143313 is about 2672.6977008259. The cubic root of 7143313 is about 192.5897754076.

The spelling of 7143313 in words is "seven million, one hundred forty-three thousand, three hundred thirteen".