542505079 has 2 divisors, whose sum is σ = 542505080. Its totient is φ = 542505078.

The previous prime is 542505031. The next prime is 542505083. The reversal of 542505079 is 970505245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542505079 - 2¹³ = 542496887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542505779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271252539 + 271252540.

It is an arithmetic number, because the mean of its divisors is an integer number (271252540).

Almost surely, 2^542505079 is an apocalyptic number.

542505079 is a deficient number, since it is larger than the sum of its proper divisors (1).

542505079 is an equidigital number, since it uses as much as digits as its factorization.

542505079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 542505079 is about 23291.7384280349. The cubic root of 542505079 is about 815.5825706637.

The spelling of 542505079 in words is "five hundred forty-two million, five hundred five thousand, seventy-nine".