542606279 has 2 divisors, whose sum is σ = 542606280. Its totient is φ = 542606278.

The previous prime is 542606261. The next prime is 542606411. The reversal of 542606279 is 972606245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542606279 - 2¹⁶ = 542540743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542606219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271303139 + 271303140.

It is an arithmetic number, because the mean of its divisors is an integer number (271303140).

Almost surely, 2^542606279 is an apocalyptic number.

542606279 is a deficient number, since it is larger than the sum of its proper divisors (1).

542606279 is an equidigital number, since it uses as much as digits as its factorization.

542606279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 542606279 is about 23293.9107708431. The cubic root of 542606279 is about 815.6332809874.

The spelling of 542606279 in words is "five hundred forty-two million, six hundred six thousand, two hundred seventy-nine".