2261853 has 36 divisors (see below), whose sum is σ = 3762304. Its totient is φ = 1306800.

The previous prime is 2261851. The next prime is 2261863. The reversal of 2261853 is 3581622.

It is not a de Polignac number, because 2261853 - 2¹ = 2261851 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 6 + 1 + 8⁵ + 5³ + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33726 + ... + 33792.

2^2261853 is an apocalyptic number.

It is an amenable number.

2261853 is a deficient number, since it is larger than the sum of its proper divisors (1500451).

2261853 is a wasteful number, since it uses less digits than its factorization.

2261853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 112 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2261853 is about 1503.9458101940. The cubic root of 2261853 is about 131.2667679257.

The spelling of 2261853 in words is "two million, two hundred sixty-one thousand, eight hundred fifty-three".