2351855 has 16 divisors (see below), whose sum is σ = 3133728. Its totient is φ = 1680000.

The previous prime is 2351837. The next prime is 2351857. The reversal of 2351855 is 5581532.

It is not a de Polignac number, because 2351855 - 2⁸ = 2351599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2351857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3005 + ... + 3705.

It is an arithmetic number, because the mean of its divisors is an integer number (195858).

2^2351855 is an apocalyptic number.

2351855 is a deficient number, since it is larger than the sum of its proper divisors (781873).

2351855 is a wasteful number, since it uses less digits than its factorization.

2351855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778.

The product of its digits is 6000, while the sum is 29.

The square root of 2351855 is about 1533.5758866127. The cubic root of 2351855 is about 132.9852622786.

The spelling of 2351855 in words is "two million, three hundred fifty-one thousand, eight hundred fifty-five".