481945543 has 2 divisors, whose sum is σ = 481945544. Its totient is φ = 481945542.

The previous prime is 481945537. The next prime is 481945547. The reversal of 481945543 is 345549184.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481945543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481945543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481945547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240972771 + 240972772.

It is an arithmetic number, because the mean of its divisors is an integer number (240972772).

Almost surely, 2^481945543 is an apocalyptic number.

481945543 is a deficient number, since it is larger than the sum of its proper divisors (1).

481945543 is an equidigital number, since it uses as much as digits as its factorization.

481945543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 43.

The square root of 481945543 is about 21953.2581408774. The cubic root of 481945543 is about 784.0299554490.

The spelling of 481945543 in words is "four hundred eighty-one million, nine hundred forty-five thousand, five hundred forty-three".