545589479 has 2 divisors, whose sum is σ = 545589480. Its totient is φ = 545589478.

The previous prime is 545589437. The next prime is 545589481. The reversal of 545589479 is 974985545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545589479 - 2²⁰ = 544540903 is a prime.

Together with 545589481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545589409) 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, 272794739 + 272794740.

It is an arithmetic number, because the mean of its divisors is an integer number (272794740).

Almost surely, 2^545589479 is an apocalyptic number.

545589479 is a deficient number, since it is larger than the sum of its proper divisors (1).

545589479 is an equidigital number, since it uses as much as digits as its factorization.

545589479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 56.

The square root of 545589479 is about 23357.8569008375. The cubic root of 545589479 is about 817.1253091869.

The spelling of 545589479 in words is "five hundred forty-five million, five hundred eighty-nine thousand, four hundred seventy-nine".