2520055 has 4 divisors (see below), whose sum is σ = 3024072. Its totient is φ = 2016040.

The previous prime is 2520031. The next prime is 2520073. The reversal of 2520055 is 5500252.

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

It is not a de Polignac number, because 2520055 - 2¹⁷ = 2388983 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, 252001 + ... + 252010.

It is an arithmetic number, because the mean of its divisors is an integer number (756018).

2^2520055 is an apocalyptic number.

2520055 is a deficient number, since it is larger than the sum of its proper divisors (504017).

2520055 is an equidigital number, since it uses as much as digits as its factorization.

2520055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504016.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 2520055 is about 1587.4681099159. The cubic root of 2520055 is about 136.0828323253.

The spelling of 2520055 in words is "two million, five hundred twenty thousand, fifty-five".