7165313 has 8 divisors (see below), whose sum is σ = 7610760. Its totient is φ = 6722560.

The previous prime is 7165289. The next prime is 7165321. The reversal of 7165313 is 3135617.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2598544 + 4566769 = 1612^2 + 2137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7165313 - 2⁸ = 7165057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7165343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8453 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (951345).

Almost surely, 2^7165313 is an apocalyptic number.

It is an amenable number.

7165313 is a deficient number, since it is larger than the sum of its proper divisors (445447).

7165313 is a wasteful number, since it uses less digits than its factorization.

7165313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its digits is 1890, while the sum is 26.

The square root of 7165313 is about 2676.8102286117. The cubic root of 7165313 is about 192.7872856666.

The spelling of 7165313 in words is "seven million, one hundred sixty-five thousand, three hundred thirteen".