7318413 has 6 divisors (see below), whose sum is σ = 10571054. Its totient is φ = 4878936.

The previous prime is 7318397. The next prime is 7318429. The reversal of 7318413 is 3148137.

It is an interprime number because it is at equal distance from previous prime (7318397) and next prime (7318429).

It can be written as a sum of positive squares in only one way, i.e., 4485924 + 2832489 = 2118^2 + 1683^2 .

It is not a de Polignac number, because 7318413 - 2⁴ = 7318397 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7318453) 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, 406570 + ... + 406587.

Almost surely, 2^7318413 is an apocalyptic number.

It is an amenable number.

7318413 is a deficient number, since it is larger than the sum of its proper divisors (3252641).

7318413 is a wasteful number, since it uses less digits than its factorization.

7318413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813163 (or 813160 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 7318413 is about 2705.2565497564. The cubic root of 7318413 is about 194.1507048059.

The spelling of 7318413 in words is "seven million, three hundred eighteen thousand, four hundred thirteen".