542532100 has 36 divisors (see below), whose sum is σ = 1284324048. Its totient is φ = 197284000.

The previous prime is 542532091. The next prime is 542532103. The reversal of 542532100 is 1235245.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (542532103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245506 + ... + 247705.

It is an arithmetic number, because the mean of its divisors is an integer number (35675668).

Almost surely, 2^542532100 is an apocalyptic number.

542532100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

542532100 is an abundant number, since it is smaller than the sum of its proper divisors (741791948).

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

542532100 is a wasteful number, since it uses less digits than its factorization.

542532100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493236 (or 493229 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 542532100 is about 23292.3184762702. The cubic root of 542532100 is about 815.5961112378.

Adding to 542532100 its reverse (1235245), we get a palindrome (543767345).

The spelling of 542532100 in words is "five hundred forty-two million, five hundred thirty-two thousand, one hundred".