542356165 has 8 divisors (see below), whose sum is σ = 700891128. Its totient is φ = 400509120.

The previous prime is 542356153. The next prime is 542356181. The reversal of 542356165 is 561653245.

It can be written as a sum of positive squares in 4 ways, for example, as 1979649 + 540376516 = 1407^2 + 23246^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542356165 - 2⁷ = 542356037 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 4171906 + ... + 4172035.

It is an arithmetic number, because the mean of its divisors is an integer number (87611391).

Almost surely, 2^542356165 is an apocalyptic number.

It is an amenable number.

542356165 is a deficient number, since it is larger than the sum of its proper divisors (158534963).

542356165 is a wasteful number, since it uses less digits than its factorization.

542356165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343959.

The product of its digits is 108000, while the sum is 37.

The square root of 542356165 is about 23288.5414957657. The cubic root of 542356165 is about 815.5079398557.

The spelling of 542356165 in words is "five hundred forty-two million, three hundred fifty-six thousand, one hundred sixty-five".