542489125 has 24 divisors (see below), whose sum is σ = 719242056. Its totient is φ = 408435200.

The previous prime is 542489113. The next prime is 542489137. The reversal of 542489125 is 521984245.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (542489113) and next prime (542489137).

It can be written as a sum of positive squares in 12 ways, for example, as 270865764 + 271623361 = 16458^2 + 16481^2 .

It is not a de Polignac number, because 542489125 - 2⁷ = 542488997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28617 + ... + 43633.

It is an arithmetic number, because the mean of its divisors is an integer number (29968419).

Almost surely, 2^542489125 is an apocalyptic number.

It is an amenable number.

542489125 is a deficient number, since it is larger than the sum of its proper divisors (176752931).

542489125 is a wasteful number, since it uses less digits than its factorization.

542489125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066 (or 15039 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 542489125 is about 23291.3959435668. The cubic root of 542489125 is about 815.5745756959.

It can be divided in two parts, 5424 and 89125, that added together give a palindrome (94549).

The spelling of 542489125 in words is "five hundred forty-two million, four hundred eighty-nine thousand, one hundred twenty-five".