1345343 has 2 divisors, whose sum is σ = 1345344. Its totient is φ = 1345342.

The previous prime is 1345303. The next prime is 1345349. The reversal of 1345343 is 3435431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1345343 - 2¹⁰ = 1344319 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 (1345349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672671 + 672672.

It is an arithmetic number, because the mean of its divisors is an integer number (672672).

2^1345343 is an apocalyptic number.

1345343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345343 is an equidigital number, since it uses as much as digits as its factorization.

1345343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 23.

The square root of 1345343 is about 1159.8892188481. The cubic root of 1345343 is about 110.3937131038.

The spelling of 1345343 in words is "one million, three hundred forty-five thousand, three hundred forty-three".