579949 has 2 divisors, whose sum is σ = 579950. Its totient is φ = 579948.

The previous prime is 579947. The next prime is 579961. The reversal of 579949 is 949975.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381924 + 198025 = 618^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 579949 - 2¹ = 579947 is a prime.

Together with 579947, it forms a pair of twin primes.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (579947) 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, 289974 + 289975.

It is an arithmetic number, because the mean of its divisors is an integer number (289975).

2⁵⁷⁹⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

579949 is a deficient number, since it is larger than the sum of its proper divisors (1).

579949 is an equidigital number, since it uses as much as digits as its factorization.

579949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 43.

The square root of 579949 is about 761.5438267099. The cubic root of 579949 is about 83.3930647312.

The spelling of 579949 in words is "five hundred seventy-nine thousand, nine hundred forty-nine".