2103500 has 48 divisors (see below), whose sum is σ = 5259072. Its totient is φ = 720000.

The previous prime is 2103473. The next prime is 2103503. The reversal of 2103500 is 53012.

It is not an unprimeable number, because it can be changed into a prime (2103503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3200 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (109564).

2^2103500 is an apocalyptic number.

2103500 is a gapful number since it is divisible by the number (20) 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 2103500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2629536).

2103500 is an abundant number, since it is smaller than the sum of its proper divisors (3155572).

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

2103500 is a wasteful number, since it uses less digits than its factorization.

2103500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 2103500 is about 1450.3447865939. The cubic root of 2103500 is about 128.1290202982.

Adding to 2103500 its reverse (53012), we get a palindrome (2156512).

The spelling of 2103500 in words is "two million, one hundred three thousand, five hundred".