2103522 has 8 divisors (see below), whose sum is σ = 4207056. Its totient is φ = 701172.

The previous prime is 2103503. The next prime is 2103523. The reversal of 2103522 is 2253012.

It is a sphenic number, since it is the product of 3 distinct primes.

2103522 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2103523) 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 3 ways as a sum of consecutive naturals, for example, 175288 + ... + 175299.

It is an arithmetic number, because the mean of its divisors is an integer number (525882).

2^2103522 is an apocalyptic number.

2103522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2103522 is a wasteful number, since it uses less digits than its factorization.

2103522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350592.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2103522 is about 1450.3523709775. The cubic root of 2103522 is about 128.1294669868.

Adding to 2103522 its reverse (2253012), we get a palindrome (4356534).

The spelling of 2103522 in words is "two million, one hundred three thousand, five hundred twenty-two".