1342564543 has 2 divisors, whose sum is σ = 1342564544. Its totient is φ = 1342564542.

The previous prime is 1342564537. The next prime is 1342564577. The reversal of 1342564543 is 3454652431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1342564543 - 2⁹ = 1342564031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342564513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671282271 + 671282272.

It is an arithmetic number, because the mean of its divisors is an integer number (671282272).

Almost surely, 2^1342564543 is an apocalyptic number.

1342564543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342564543 is an equidigital number, since it uses as much as digits as its factorization.

1342564543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 37.

The square root of 1342564543 is about 36641.0226795050. The cubic root of 1342564543 is about 1103.1766420013.

The spelling of 1342564543 in words is "one billion, three hundred forty-two million, five hundred sixty-four thousand, five hundred forty-three".