7774313 has 2 divisors, whose sum is σ = 7774314. Its totient is φ = 7774312.

The previous prime is 7774309. The next prime is 7774331. The reversal of 7774313 is 3134777.

Together with next prime (7774331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 1369 = 2788^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 7774313 - 2² = 7774309 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p₅₂₅₅₆₉ and since 7774313 and 525569 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7774313.

It is not a weakly prime, because it can be changed into another prime (7774303) 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 as a sum of consecutive naturals, namely, 3887156 + 3887157.

It is an arithmetic number, because the mean of its divisors is an integer number (3887157).

Almost surely, 2^7774313 is an apocalyptic number.

It is an amenable number.

7774313 is a deficient number, since it is larger than the sum of its proper divisors (1).

7774313 is an equidigital number, since it uses as much as digits as its factorization.

7774313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12348, while the sum is 32.

The square root of 7774313 is about 2788.2455056899. The cubic root of 7774313 is about 198.1013068623.

The spelling of 7774313 in words is "seven million, seven hundred seventy-four thousand, three hundred thirteen".