2510855 has 4 divisors (see below), whose sum is σ = 3013032. Its totient is φ = 2008680.

The previous prime is 2510843. The next prime is 2510867. The reversal of 2510855 is 5580152.

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

It is an interprime number because it is at equal distance from previous prime (2510843) and next prime (2510867).

It is not a de Polignac number, because 2510855 - 2¹⁰ = 2509831 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, 251081 + ... + 251090.

It is an arithmetic number, because the mean of its divisors is an integer number (753258).

2^2510855 is an apocalyptic number.

2510855 is a deficient number, since it is larger than the sum of its proper divisors (502177).

2510855 is an equidigital number, since it uses as much as digits as its factorization.

2510855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502176.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2510855 is about 1584.5677644077. The cubic root of 2510855 is about 135.9170305639.

The spelling of 2510855 in words is "two million, five hundred ten thousand, eight hundred fifty-five".