530542100 has 72 divisors (see below), whose sum is σ = 1273335168. Its totient is φ = 190252800.

The previous prime is 530542099. The next prime is 530542109. The reversal of 530542100 is 1245035.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530542109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76997 + ... + 83603.

Almost surely, 2^530542100 is an apocalyptic number.

530542100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 530542100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636667584).

530542100 is an abundant number, since it is smaller than the sum of its proper divisors (742793068).

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

530542100 is a wasteful number, since it uses less digits than its factorization.

530542100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705 (or 6698 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 530542100 is about 23033.4995170078. The cubic root of 530542100 is about 809.5430537579.

Adding to 530542100 its reverse (1245035), we get a palindrome (531787135).

The spelling of 530542100 in words is "five hundred thirty million, five hundred forty-two thousand, one hundred".