2530855 has 4 divisors (see below), whose sum is σ = 3037032. Its totient is φ = 2024680.

The previous prime is 2530831. The next prime is 2530867. The reversal of 2530855 is 5580352.

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

It is not a de Polignac number, because 2530855 - 2⁷ = 2530727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253081 + ... + 253090.

It is an arithmetic number, because the mean of its divisors is an integer number (759258).

2^2530855 is an apocalyptic number.

2530855 is a deficient number, since it is larger than the sum of its proper divisors (506177).

2530855 is an equidigital number, since it uses as much as digits as its factorization.

2530855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506176.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2530855 is about 1590.8661163027. The cubic root of 2530855 is about 136.2769550800.

The spelling of 2530855 in words is "two million, five hundred thirty thousand, eight hundred fifty-five".