542489127 has 4 divisors (see below), whose sum is σ = 723318840. Its totient is φ = 361659416.

The previous prime is 542489113. The next prime is 542489137. The reversal of 542489127 is 721984245.

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

It is a cyclic number.

It is not a de Polignac number, because 542489127 - 2⁴ = 542489111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542489107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90414852 + ... + 90414857.

It is an arithmetic number, because the mean of its divisors is an integer number (180829710).

Almost surely, 2^542489127 is an apocalyptic number.

542489127 is a deficient number, since it is larger than the sum of its proper divisors (180829713).

542489127 is a wasteful number, since it uses less digits than its factorization.

542489127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180829712.

The product of its digits is 161280, while the sum is 42.

The square root of 542489127 is about 23291.3959865011. The cubic root of 542489127 is about 815.5745766981.

The spelling of 542489127 in words is "five hundred forty-two million, four hundred eighty-nine thousand, one hundred twenty-seven".