1382609 has 2 divisors, whose sum is σ = 1382610. Its totient is φ = 1382608.

The previous prime is 1382597. The next prime is 1382621. The reversal of 1382609 is 9062831.

It is a balanced prime because it is at equal distance from previous prime (1382597) and next prime (1382621).

It can be written as a sum of positive squares in only one way, i.e., 1373584 + 9025 = 1172^2 + 95^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1382629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691304 + 691305.

It is an arithmetic number, because the mean of its divisors is an integer number (691305).

2^1382609 is an apocalyptic number.

It is an amenable number.

1382609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382609 is an equidigital number, since it uses as much as digits as its factorization.

1382609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1382609 is about 1175.8439522318. The cubic root of 1382609 is about 111.4037456825.

It can be divided in two parts, 1382 and 609, that added together give a palindrome (1991).

The spelling of 1382609 in words is "one million, three hundred eighty-two thousand, six hundred nine".