7869313 has 4 divisors (see below), whose sum is σ = 7964208. Its totient is φ = 7774420.

The previous prime is 7869307. The next prime is 7869343. The reversal of 7869313 is 3139687.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3139687 = 67 ⋅46861.

It is a cyclic number.

It is not a de Polignac number, because 7869313 - 2⁹ = 7868801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7869343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47323 + ... + 47488.

It is an arithmetic number, because the mean of its divisors is an integer number (1991052).

Almost surely, 2^7869313 is an apocalyptic number.

It is an amenable number.

7869313 is a deficient number, since it is larger than the sum of its proper divisors (94895).

7869313 is an equidigital number, since it uses as much as digits as its factorization.

7869313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94894.

The product of its digits is 27216, while the sum is 37.

The square root of 7869313 is about 2805.2295806226. The cubic root of 7869313 is about 198.9049570133.

The spelling of 7869313 in words is "seven million, eight hundred sixty-nine thousand, three hundred thirteen".