545579 has 2 divisors, whose sum is σ = 545580. Its totient is φ = 545578.

The previous prime is 545551. The next prime is 545599. The reversal of 545579 is 975545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545579 - 2¹² = 541483 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (545549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272789 + 272790.

It is an arithmetic number, because the mean of its divisors is an integer number (272790).

2⁵⁴⁵⁵⁷⁹ is an apocalyptic number.

545579 is a deficient number, since it is larger than the sum of its proper divisors (1).

545579 is an equidigital number, since it uses as much as digits as its factorization.

545579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 35.

The square root of 545579 is about 738.6331971960. The cubic root of 545579 is about 81.7120077713.

The spelling of 545579 in words is "five hundred forty-five thousand, five hundred seventy-nine".