2103552 has 108 divisors (see below), whose sum is σ = 6696144. Its totient is φ = 629760.

The previous prime is 2103523. The next prime is 2103553. The reversal of 2103552 is 2553012.

It is a happy number.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2103553) 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, 25303 + ... + 25385.

2^2103552 is an apocalyptic number.

2103552 is a gapful number since it is divisible by the number (22) 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 2103552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3348072).

2103552 is an abundant number, since it is smaller than the sum of its proper divisors (4592592).

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

2103552 is a wasteful number, since it uses less digits than its factorization.

2103552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2103552 is about 1450.3627132549. The cubic root of 2103552 is about 128.1300761027.

Adding to 2103552 its reverse (2553012), we get a palindrome (4656564).

The spelling of 2103552 in words is "two million, one hundred three thousand, five hundred fifty-two".