542071171 has 4 divisors (see below), whose sum is σ = 542137000. Its totient is φ = 542005344.

The previous prime is 542071169. The next prime is 542071183. The reversal of 542071171 is 171170245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171170245 = 5 ⋅34234049.

It is a cyclic number.

It is not a de Polignac number, because 542071171 - 2¹ = 542071169 is a prime.

It is a super-2 number, since 2×542071171² = 587682308858622482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542071151) by changing a digit.

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, 18441 + ... + 37738.

It is an arithmetic number, because the mean of its divisors is an integer number (135534250).

Almost surely, 2^542071171 is an apocalyptic number.

542071171 is a deficient number, since it is larger than the sum of its proper divisors (65829).

542071171 is an equidigital number, since it uses as much as digits as its factorization.

542071171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65828.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 542071171 is about 23282.4219315775. The cubic root of 542071171 is about 815.3650721204.

The spelling of 542071171 in words is "five hundred forty-two million, seventy-one thousand, one hundred seventy-one".