1354003543 has 4 divisors (see below), whose sum is σ = 1354462560. Its totient is φ = 1353544528.

The previous prime is 1354003513. The next prime is 1354003571. The reversal of 1354003543 is 3453004531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3453004531 = 421 ⋅8201911.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354003543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354003513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225055 + ... + 230992.

It is an arithmetic number, because the mean of its divisors is an integer number (338615640).

Almost surely, 2^1354003543 is an apocalyptic number.

1354003543 is a deficient number, since it is larger than the sum of its proper divisors (459017).

1354003543 is an equidigital number, since it uses as much as digits as its factorization.

1354003543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459016.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1354003543 is about 36796.7871287698. The cubic root of 1354003543 is about 1106.3009031106.

The spelling of 1354003543 in words is "one billion, three hundred fifty-four million, three thousand, five hundred forty-three".