7313149 has 4 divisors (see below), whose sum is σ = 7631136. Its totient is φ = 6995164.

The previous prime is 7313143. The next prime is 7313167. The reversal of 7313149 is 9413137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7313149 - 2¹⁹ = 6788861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7313143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158959 + ... + 159004.

It is an arithmetic number, because the mean of its divisors is an integer number (1907784).

Almost surely, 2^7313149 is an apocalyptic number.

It is an amenable number.

7313149 is a deficient number, since it is larger than the sum of its proper divisors (317987).

7313149 is a wasteful number, since it uses less digits than its factorization.

7313149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317986.

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

The square root of 7313149 is about 2704.2834540780. The cubic root of 7313149 is about 194.1041439625.

The spelling of 7313149 in words is "seven million, three hundred thirteen thousand, one hundred forty-nine".