545034643 has 2 divisors, whose sum is σ = 545034644. Its totient is φ = 545034642.

The previous prime is 545034631. The next prime is 545034691. The reversal of 545034643 is 346430545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545034643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545034599 and 545034608.

It is not a weakly prime, because it can be changed into another prime (545032643) 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 as a sum of consecutive naturals, namely, 272517321 + 272517322.

It is an arithmetic number, because the mean of its divisors is an integer number (272517322).

Almost surely, 2^545034643 is an apocalyptic number.

545034643 is a deficient number, since it is larger than the sum of its proper divisors (1).

545034643 is an equidigital number, since it uses as much as digits as its factorization.

545034643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 545034643 is about 23345.9770196066. The cubic root of 545034643 is about 816.8482239869.

The spelling of 545034643 in words is "five hundred forty-five million, thirty-four thousand, six hundred forty-three".