542531500 has 48 divisors (see below), whose sum is σ = 1354167360. Its totient is φ = 186009600.

The previous prime is 542531497. The next prime is 542531501. The reversal of 542531500 is 5135245.

542531500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542531501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74005 + ... + 81004.

It is an arithmetic number, because the mean of its divisors is an integer number (28211820).

Almost surely, 2^542531500 is an apocalyptic number.

542531500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

542531500 is an abundant number, since it is smaller than the sum of its proper divisors (811635860).

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

542531500 is a wasteful number, since it uses less digits than its factorization.

542531500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155035 (or 155023 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 542531500 is about 23292.3055964840. The cubic root of 542531500 is about 815.5958105749.

Adding to 542531500 its reverse (5135245), we get a palindrome (547666745).

The spelling of 542531500 in words is "five hundred forty-two million, five hundred thirty-one thousand, five hundred".