2813555 has 4 divisors (see below), whose sum is σ = 3376272. Its totient is φ = 2250840.

The previous prime is 2813549. The next prime is 2813563. The reversal of 2813555 is 5553182.

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

It is not a de Polignac number, because 2813555 - 2⁸ = 2813299 is a prime.

It is a Duffinian 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, 281351 + ... + 281360.

It is an arithmetic number, because the mean of its divisors is an integer number (844068).

2^2813555 is an apocalyptic number.

2813555 is a deficient number, since it is larger than the sum of its proper divisors (562717).

2813555 is an equidigital number, since it uses as much as digits as its factorization.

2813555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562716.

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

The square root of 2813555 is about 1677.3654938623. The cubic root of 2813555 is about 141.1730517793.

The spelling of 2813555 in words is "two million, eight hundred thirteen thousand, five hundred fifty-five".