2261873 has 4 divisors (see below), whose sum is σ = 2283120. Its totient is φ = 2240628.

The previous prime is 2261863. The next prime is 2261887. The reversal of 2261873 is 3781622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2261873 - 2⁸ = 2261617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2261803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10463 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (570780).

2^2261873 is an apocalyptic number.

It is an amenable number.

2261873 is a deficient number, since it is larger than the sum of its proper divisors (21247).

2261873 is a wasteful number, since it uses less digits than its factorization.

2261873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21246.

The product of its digits is 4032, while the sum is 29.

The square root of 2261873 is about 1503.9524593550. The cubic root of 2261873 is about 131.2671548250.

The spelling of 2261873 in words is "two million, two hundred sixty-one thousand, eight hundred seventy-three".