2261203 has 6 divisors (see below), whose sum is σ = 2630436. Its totient is φ = 1938132.

The previous prime is 2261197. The next prime is 2261213. The reversal of 2261203 is 3021622.

It is not a de Polignac number, because 2261203 - 2⁹ = 2260691 is a prime.

It is a super-2 number, since 2×2261203² = 10226078014418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23025 + ... + 23122.

It is an arithmetic number, because the mean of its divisors is an integer number (438406).

2^2261203 is an apocalyptic number.

2261203 is a deficient number, since it is larger than the sum of its proper divisors (369233).

2261203 is an equidigital number, since it uses as much as digits as its factorization.

2261203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46161 (or 46154 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2261203 is about 1503.7296964548. The cubic root of 2261203 is about 131.2541924587.

Adding to 2261203 its reverse (3021622), we get a palindrome (5282825).

The spelling of 2261203 in words is "two million, two hundred sixty-one thousand, two hundred three".