7775313 has 32 divisors (see below), whose sum is σ = 13440000. Its totient is φ = 3882816.

The previous prime is 7775309. The next prime is 7775323. The reversal of 7775313 is 3135777.

7775313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7775313 - 2² = 7775309 is a prime.

7775313 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7775323) 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 31 ways as a sum of consecutive naturals, for example, 4438 + ... + 5936.

It is an arithmetic number, because the mean of its divisors is an integer number (420000).

Almost surely, 2^7775313 is an apocalyptic number.

It is an amenable number.

7775313 is a deficient number, since it is larger than the sum of its proper divisors (5664687).

7775313 is a wasteful number, since it uses less digits than its factorization.

7775313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its digits is 15435, while the sum is 33.

The square root of 7775313 is about 2788.4248241615. The cubic root of 7775313 is about 198.1098003379.

The spelling of 7775313 in words is "seven million, seven hundred seventy-five thousand, three hundred thirteen".