545032643 has 2 divisors, whose sum is σ = 545032644. Its totient is φ = 545032642.

The previous prime is 545032603. The next prime is 545032667. The reversal of 545032643 is 346230545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545032643 - 2⁸ = 545032387 is a prime.

It is not a weakly prime, because it can be changed into another prime (545032603) 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, 272516321 + 272516322.

It is an arithmetic number, because the mean of its divisors is an integer number (272516322).

Almost surely, 2^545032643 is an apocalyptic number.

545032643 is a deficient number, since it is larger than the sum of its proper divisors (1).

545032643 is an equidigital number, since it uses as much as digits as its factorization.

545032643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 545032643 is about 23345.9341856350. The cubic root of 545032643 is about 816.8472248465.

The spelling of 545032643 in words is "five hundred forty-five million, thirty-two thousand, six hundred forty-three".