7313491 has 4 divisors (see below), whose sum is σ = 7325032. Its totient is φ = 7301952.

The previous prime is 7313459. The next prime is 7313503. The reversal of 7313491 is 1943137.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7313491 - 2⁵ = 7313459 is a prime.

It is a super-3 number, since 3×7313491³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7313401) 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 in 3 ways as a sum of consecutive naturals, for example, 4761 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (1831258).

Almost surely, 2^7313491 is an apocalyptic number.

7313491 is a deficient number, since it is larger than the sum of its proper divisors (11541).

7313491 is a wasteful number, since it uses less digits than its factorization.

7313491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11540.

The product of its digits is 2268, while the sum is 28.

The square root of 7313491 is about 2704.3466863551. The cubic root of 7313491 is about 194.1071696806.

The spelling of 7313491 in words is "seven million, three hundred thirteen thousand, four hundred ninety-one".