542624542 has 4 divisors (see below), whose sum is σ = 813936816. Its totient is φ = 271312270.

The previous prime is 542624521. The next prime is 542624557. The reversal of 542624542 is 245426245.

542624542 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 is a junction number, because it is equal to n+sod(n) for n = 542624498 and 542624507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135656134 + ... + 135656137.

It is an arithmetic number, because the mean of its divisors is an integer number (203484204).

Almost surely, 2^542624542 is an apocalyptic number.

542624542 is a deficient number, since it is larger than the sum of its proper divisors (271312274).

542624542 is a wasteful number, since it uses less digits than its factorization.

542624542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271312273.

The product of its digits is 76800, while the sum is 34.

The square root of 542624542 is about 23294.3027798644. The cubic root of 542624542 is about 815.6424317252.

The spelling of 542624542 in words is "five hundred forty-two million, six hundred twenty-four thousand, five hundred forty-two".