675943543 has 4 divisors (see below), whose sum is σ = 737392968. Its totient is φ = 614494120.

The previous prime is 675943537. The next prime is 675943547. The reversal of 675943543 is 345349576.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675943543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 675943493 and 675943502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675943547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30724696 + ... + 30724717.

It is an arithmetic number, because the mean of its divisors is an integer number (184348242).

Almost surely, 2^675943543 is an apocalyptic number.

675943543 is a deficient number, since it is larger than the sum of its proper divisors (61449425).

675943543 is a wasteful number, since it uses less digits than its factorization.

675943543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61449424.

The product of its digits is 1360800, while the sum is 46.

The square root of 675943543 is about 25998.9142657919. The cubic root of 675943543 is about 877.6138624931.

The spelling of 675943543 in words is "six hundred seventy-five million, nine hundred forty-three thousand, five hundred forty-three".