2523855 has 16 divisors (see below), whose sum is σ = 4076640. Its totient is φ = 1333248.

The previous prime is 2523839. The next prime is 2523863. The reversal of 2523855 is 5583252.

2523855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2523855 - 2⁴ = 2523839 is a prime.

It is a super-2 number, since 2×2523855² = 12739688122050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951 + ... + 2439.

It is an arithmetic number, because the mean of its divisors is an integer number (254790).

2^2523855 is an apocalyptic number.

2523855 is a deficient number, since it is larger than the sum of its proper divisors (1552785).

2523855 is a wasteful number, since it uses less digits than its factorization.

2523855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its digits is 12000, while the sum is 30.

The square root of 2523855 is about 1588.6645334998. The cubic root of 2523855 is about 136.1511979047.

The spelling of 2523855 in words is "two million, five hundred twenty-three thousand, eight hundred fifty-five".