2555215 has 16 divisors (see below), whose sum is σ = 3477600. Its totient is φ = 1786752.

The previous prime is 2555213. The next prime is 2555221. The reversal of 2555215 is 5125552.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2555215 - 2¹ = 2555213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2555215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (217350).

2^2555215 is an apocalyptic number.

2555215 is a deficient number, since it is larger than the sum of its proper divisors (922385).

2555215 is a wasteful number, since it uses less digits than its factorization.

2555215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106.

The product of its digits is 2500, while the sum is 25.

The square root of 2555215 is about 1598.5039881089. The cubic root of 2555215 is about 136.7127909620.

The spelling of 2555215 in words is "two million, five hundred fifty-five thousand, two hundred fifteen".