2103215 has 8 divisors (see below), whose sum is σ = 2531760. Its totient is φ = 1677312.

The previous prime is 2103193. The next prime is 2103229. The reversal of 2103215 is 5123012.

It is a happy number.

2103215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2103215 - 2⁶ = 2103151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2351 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (316470).

2^2103215 is an apocalyptic number.

2103215 is a deficient number, since it is larger than the sum of its proper divisors (428545).

2103215 is an equidigital number, since it uses as much as digits as its factorization.

2103215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2103215 is about 1450.2465307664. The cubic root of 2103215 is about 128.1232333685.

Adding to 2103215 its reverse (5123012), we get a palindrome (7226227).

The spelling of 2103215 in words is "two million, one hundred three thousand, two hundred fifteen".