1382309 has 2 divisors, whose sum is σ = 1382310. Its totient is φ = 1382308.

The previous prime is 1382291. The next prime is 1382327. The reversal of 1382309 is 9032831.

It is a balanced prime because it is at equal distance from previous prime (1382291) and next prime (1382327).

It can be written as a sum of positive squares in only one way, i.e., 1329409 + 52900 = 1153^2 + 230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1382609) 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, 691154 + 691155.

It is an arithmetic number, because the mean of its divisors is an integer number (691155).

2^1382309 is an apocalyptic number.

It is an amenable number.

1382309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382309 is an equidigital number, since it uses as much as digits as its factorization.

1382309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1382309 is about 1175.7163773632. The cubic root of 1382309 is about 111.3956875978.

The spelling of 1382309 in words is "one million, three hundred eighty-two thousand, three hundred nine".