7126313 has 2 divisors, whose sum is σ = 7126314. Its totient is φ = 7126312.

The previous prime is 7126291. The next prime is 7126331. The reversal of 7126313 is 3136217.

It is a happy number.

Together with next prime (7126331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4959529 + 2166784 = 2227^2 + 1472^2 .

It is a cyclic number.

It is not a de Polignac number, because 7126313 - 2¹⁴ = 7109929 is a prime.

It is not a weakly prime, because it can be changed into another prime (7126363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3563156 + 3563157.

It is an arithmetic number, because the mean of its divisors is an integer number (3563157).

Almost surely, 2^7126313 is an apocalyptic number.

It is an amenable number.

7126313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7126313 is an equidigital number, since it uses as much as digits as its factorization.

7126313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 23.

The square root of 7126313 is about 2669.5154991122. The cubic root of 7126313 is about 192.4368759127.

The spelling of 7126313 in words is "seven million, one hundred twenty-six thousand, three hundred thirteen".