542747305 has 16 divisors (see below), whose sum is σ = 667586304. Its totient is φ = 423406080.

The previous prime is 542747281. The next prime is 542747341. The reversal of 542747305 is 503747245.

It is a happy number.

It is not a de Polignac number, because 542747305 - 2⁹ = 542746793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62425 + ... + 70585.

It is an arithmetic number, because the mean of its divisors is an integer number (41724144).

Almost surely, 2^542747305 is an apocalyptic number.

It is an amenable number.

542747305 is a deficient number, since it is larger than the sum of its proper divisors (124838999).

542747305 is a wasteful number, since it uses less digits than its factorization.

542747305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8496.

The product of its (nonzero) digits is 117600, while the sum is 37.

The square root of 542747305 is about 23296.9376742953. The cubic root of 542747305 is about 815.7039372131.

The spelling of 542747305 in words is "five hundred forty-two million, seven hundred forty-seven thousand, three hundred five".