2653555 has 4 divisors (see below), whose sum is σ = 3184272. Its totient is φ = 2122840.

The previous prime is 2653549. The next prime is 2653571. The reversal of 2653555 is 5553562.

2653555 is nontrivially palindromic in base 9.

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

It is not a de Polignac number, because 2653555 - 2²¹ = 556403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265351 + ... + 265360.

It is an arithmetic number, because the mean of its divisors is an integer number (796068).

2^2653555 is an apocalyptic number.

2653555 is a deficient number, since it is larger than the sum of its proper divisors (530717).

2653555 is an equidigital number, since it uses as much as digits as its factorization.

2653555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530716.

The product of its digits is 22500, while the sum is 31.

The square root of 2653555 is about 1628.9736032238. The cubic root of 2653555 is about 138.4446033023. Note that the first 3 decimals are identical.

The spelling of 2653555 in words is "two million, six hundred fifty-three thousand, five hundred fifty-five".