542201705 has 4 divisors (see below), whose sum is σ = 650642052. Its totient is φ = 433761360.

The previous prime is 542201683. The next prime is 542201711. The reversal of 542201705 is 507102245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 322094809 + 220106896 = 17947^2 + 14836^2 .

It is not a de Polignac number, because 542201705 - 2⁶ = 542201641 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 3 ways as a sum of consecutive naturals, for example, 54220166 + ... + 54220175.

It is an arithmetic number, because the mean of its divisors is an integer number (162660513).

Almost surely, 2^542201705 is an apocalyptic number.

It is an amenable number.

542201705 is a deficient number, since it is larger than the sum of its proper divisors (108440347).

542201705 is a wasteful number, since it uses less digits than its factorization.

542201705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108440346.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 542201705 is about 23285.2250364904. The cubic root of 542201705 is about 815.4305151396.

The spelling of 542201705 in words is "five hundred forty-two million, two hundred one thousand, seven hundred five".