542784127 has 4 divisors (see below), whose sum is σ = 550219600. Its totient is φ = 535348656.

The previous prime is 542784113. The next prime is 542784181. The reversal of 542784127 is 721487245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542784127 is a prime.

It is a super-2 number, since 2×542784127² = 589229217046304258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542784127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542784197) 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, 3717627 + ... + 3717772.

It is an arithmetic number, because the mean of its divisors is an integer number (137554900).

Almost surely, 2^542784127 is an apocalyptic number.

542784127 is a deficient number, since it is larger than the sum of its proper divisors (7435473).

542784127 is an equidigital number, since it uses as much as digits as its factorization.

542784127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7435472.

The product of its digits is 125440, while the sum is 40.

The square root of 542784127 is about 23297.7279364319. The cubic root of 542784127 is about 815.7223835944.

The spelling of 542784127 in words is "five hundred forty-two million, seven hundred eighty-four thousand, one hundred twenty-seven".