1345583 has 2 divisors, whose sum is σ = 1345584. Its totient is φ = 1345582.

The previous prime is 1345577. The next prime is 1345621. The reversal of 1345583 is 3855431.

It is a weak prime.

It is an emirp because it is prime and its reverse (3855431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345583 - 2¹⁰ = 1344559 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 (1345783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672791 + 672792.

It is an arithmetic number, because the mean of its divisors is an integer number (672792).

2^1345583 is an apocalyptic number.

1345583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345583 is an equidigital number, since it uses as much as digits as its factorization.

1345583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 1345583 is about 1159.9926723906. The cubic root of 1345583 is about 110.4002772082.

It can be divided in two parts, 13455 and 83, that multiplied together give a triangular number (1116765 = T₁₄₉₄).

The spelling of 1345583 in words is "one million, three hundred forty-five thousand, five hundred eighty-three".