2103361 has 8 divisors (see below), whose sum is σ = 2283624. Its totient is φ = 1925760.

The previous prime is 2103317. The next prime is 2103377. The reversal of 2103361 is 1633012.

It can be written as a sum of positive squares in 4 ways, for example, as 462400 + 1640961 = 680^2 + 1281^2 .

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 2103361 - 2¹¹ = 2101313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191 + ... + 2371.

It is an arithmetic number, because the mean of its divisors is an integer number (285453).

2^2103361 is an apocalyptic number.

It is an amenable number.

2103361 is a deficient number, since it is larger than the sum of its proper divisors (180263).

2103361 is a wasteful number, since it uses less digits than its factorization.

2103361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2103361 is about 1450.2968661622. The cubic root of 2103361 is about 128.1261979662.

Adding to 2103361 its reverse (1633012), we get a palindrome (3736373).

The spelling of 2103361 in words is "two million, one hundred three thousand, three hundred sixty-one".