2103345 has 24 divisors (see below), whose sum is σ = 3734016. Its totient is φ = 1094688.

The previous prime is 2103317. The next prime is 2103377. The reversal of 2103345 is 5433012.

2103345 = 266² + 267² + ... + 292².

It is not a de Polignac number, because 2103345 - 2¹² = 2099249 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1392 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (155584).

2^2103345 is an apocalyptic number.

It is an amenable number.

2103345 is a deficient number, since it is larger than the sum of its proper divisors (1630671).

2103345 is a wasteful number, since it uses less digits than its factorization.

2103345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2103345 is about 1450.2913500397. The cubic root of 2103345 is about 128.1258730855.

Adding to 2103345 its reverse (5433012), we get a palindrome (7536357).

The spelling of 2103345 in words is "two million, one hundred three thousand, three hundred forty-five".