1343009 has 2 divisors, whose sum is σ = 1343010. Its totient is φ = 1343008.

The previous prime is 1343003. The next prime is 1343029. The reversal of 1343009 is 9003431.

It is an a-pointer prime, because the next prime (1343029) can be obtained adding 1343009 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 286225 = 1028^2 + 535^2 .

It is an emirp because it is prime and its reverse (9003431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343009 - 2⁸ = 1342753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1343003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671504 + 671505.

It is an arithmetic number, because the mean of its divisors is an integer number (671505).

2^1343009 is an apocalyptic number.

It is an amenable number.

1343009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343009 is an equidigital number, since it uses as much as digits as its factorization.

1343009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1343009 is about 1158.8826515226. The cubic root of 1343009 is about 110.3298364389.

The spelling of 1343009 in words is "one million, three hundred forty-three thousand, nine".