1319543 has 2 divisors, whose sum is σ = 1319544. Its totient is φ = 1319542.

The previous prime is 1319509. The next prime is 1319561. The reversal of 1319543 is 3459131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1319543 - 2²⁰ = 270967 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 (1319443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659771 + 659772.

It is an arithmetic number, because the mean of its divisors is an integer number (659772).

2^1319543 is an apocalyptic number.

1319543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319543 is an equidigital number, since it uses as much as digits as its factorization.

1319543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 1319543 is about 1148.7136283687. The cubic root of 1319543 is about 109.6834702107.

The spelling of 1319543 in words is "one million, three hundred nineteen thousand, five hundred forty-three".