542579 has 2 divisors, whose sum is σ = 542580. Its totient is φ = 542578.

The previous prime is 542567. The next prime is 542587. The reversal of 542579 is 975245.

Added to its reverse (975245) it gives a square (1517824 = 1232²).

542579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542579 - 2⁸ = 542323 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271289 + 271290.

It is an arithmetic number, because the mean of its divisors is an integer number (271290).

2⁵⁴²⁵⁷⁹ is an apocalyptic number.

542579 is a deficient number, since it is larger than the sum of its proper divisors (1).

542579 is an equidigital number, since it uses as much as digits as its factorization.

542579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 32.

The square root of 542579 is about 736.5996198750. The cubic root of 542579 is about 81.5619612370.

Adding to 542579 its reverse (975245), we get a square (1517824 = 1232²).

The spelling of 542579 in words is "five hundred forty-two thousand, five hundred seventy-nine".