545573459 has 2 divisors, whose sum is σ = 545573460. Its totient is φ = 545573458.

The previous prime is 545573437. The next prime is 545573477. The reversal of 545573459 is 954375545.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545573459 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (545573489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272786729 + 272786730.

It is an arithmetic number, because the mean of its divisors is an integer number (272786730).

Almost surely, 2^545573459 is an apocalyptic number.

545573459 is a deficient number, since it is larger than the sum of its proper divisors (1).

545573459 is an equidigital number, since it uses as much as digits as its factorization.

545573459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890000, while the sum is 47.

The square root of 545573459 is about 23357.5139730238. The cubic root of 545573459 is about 817.1173114302.

The spelling of 545573459 in words is "five hundred forty-five million, five hundred seventy-three thousand, four hundred fifty-nine".