2655851 has 4 divisors (see below), whose sum is σ = 2897304. Its totient is φ = 2414400.

The previous prime is 2655841. The next prime is 2655853. The reversal of 2655851 is 1585562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2655851 - 2¹⁸ = 2393707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2655853) 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, 120710 + ... + 120731.

It is an arithmetic number, because the mean of its divisors is an integer number (724326).

2^2655851 is an apocalyptic number.

2655851 is a deficient number, since it is larger than the sum of its proper divisors (241453).

2655851 is a wasteful number, since it uses less digits than its factorization.

2655851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241452.

The product of its digits is 12000, while the sum is 32.

The square root of 2655851 is about 1629.6781890913. The cubic root of 2655851 is about 138.4845217229.

It can be divided in two parts, 265 and 5851, that added together give a palindrome (6116).

The spelling of 2655851 in words is "two million, six hundred fifty-five thousand, eight hundred fifty-one".