1314593281 has 2 divisors, whose sum is σ = 1314593282. Its totient is φ = 1314593280.

The previous prime is 1314593263. The next prime is 1314593303. The reversal of 1314593281 is 1823954131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 898800400 + 415792881 = 29980^2 + 20391^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314593281 - 2¹¹ = 1314591233 is a prime.

It is a super-2 number, since 2×1314593281² = 3456310988900689922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1314593281.

It is not a weakly prime, because it can be changed into another prime (1314591281) 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 as a sum of consecutive naturals, namely, 657296640 + 657296641.

It is an arithmetic number, because the mean of its divisors is an integer number (657296641).

Almost surely, 2^1314593281 is an apocalyptic number.

It is an amenable number.

1314593281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314593281 is an equidigital number, since it uses as much as digits as its factorization.

1314593281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 1314593281 is about 36257.3203780974. The cubic root of 1314593281 is about 1095.4615433716.

It can be divided in two parts, 1314 and 593281, that added together give a triangular number (594595 = T₁₀₉₀).

The spelling of 1314593281 in words is "one billion, three hundred fourteen million, five hundred ninety-three thousand, two hundred eighty-one".