542005524 has 36 divisors (see below), whose sum is σ = 1370806164. Its totient is φ = 180571392.

The previous prime is 542005493. The next prime is 542005531. The reversal of 542005524 is 425500245.

It can be written as a sum of positive squares in 2 ways, for example, as 144720900 + 397284624 = 12030^2 + 19932^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101694 + ... + 106890.

It is an arithmetic number, because the mean of its divisors is an integer number (38077949).

Almost surely, 2^542005524 is an apocalyptic number.

It is an amenable number.

542005524 is an abundant number, since it is smaller than the sum of its proper divisors (828800640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542005524 is a wasteful number, since it uses less digits than its factorization.

542005524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104 (or 8099 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 542005524 is about 23281.0120914019. The cubic root of 542005524 is about 815.3321561279.

Adding to 542005524 its reverse (425500245), we get a palindrome (967505769).

The spelling of 542005524 in words is "five hundred forty-two million, five thousand, five hundred twenty-four".