542111522 has 4 divisors (see below), whose sum is σ = 813167286. Its totient is φ = 271055760.

The previous prime is 542111513. The next prime is 542111543. The reversal of 542111522 is 225111245.

542111522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 537822481 + 4289041 = 23191^2 + 2071^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135527879 + ... + 135527882.

Almost surely, 2^542111522 is an apocalyptic number.

542111522 is a deficient number, since it is larger than the sum of its proper divisors (271055764).

542111522 is a wasteful number, since it uses less digits than its factorization.

542111522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271055763.

The product of its digits is 800, while the sum is 23.

The square root of 542111522 is about 23283.2884704889. The cubic root of 542111522 is about 815.3853031537.

Adding to 542111522 its reverse (225111245), we get a palindrome (767222767).

The spelling of 542111522 in words is "five hundred forty-two million, one hundred eleven thousand, five hundred twenty-two".