103530 has 64 divisors (see below), whose sum is σ = 311040. Its totient is φ = 21504.

The previous prime is 103529. The next prime is 103549. The reversal of 103530 is 35301.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3556 + ... + 3584.

It is an arithmetic number, because the mean of its divisors is an integer number (4860).

2¹⁰³⁵³⁰ is an apocalyptic number.

103530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155520).

103530 is an abundant number, since it is smaller than the sum of its proper divisors (207510).

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

103530 is a wasteful number, since it uses less digits than its factorization.

103530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63.

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 103530 is about 321.7607807052. The cubic root of 103530 is about 46.9557452755.

Adding to 103530 its reverse (35301), we get a palindrome (138831).

The spelling of 103530 in words is "one hundred three thousand, five hundred thirty".