1348309 has 2 divisors, whose sum is σ = 1348310. Its totient is φ = 1348308.

The previous prime is 1348271. The next prime is 1348313. The reversal of 1348309 is 9038431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815409 + 532900 = 903^2 + 730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1348309 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1348379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674154 + 674155.

It is an arithmetic number, because the mean of its divisors is an integer number (674155).

2^1348309 is an apocalyptic number.

It is an amenable number.

1348309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348309 is an equidigital number, since it uses as much as digits as its factorization.

1348309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1348309 is about 1161.1670853068. The cubic root of 1348309 is about 110.4747797728.

The spelling of 1348309 in words is "one million, three hundred forty-eight thousand, three hundred nine".