2555117 has 4 divisors (see below), whose sum is σ = 2705436. Its totient is φ = 2404800.

The previous prime is 2555099. The next prime is 2555123. The reversal of 2555117 is 7115552.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1069156 + 1485961 = 1034^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555117 - 2¹⁰ = 2554093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75134 + ... + 75167.

It is an arithmetic number, because the mean of its divisors is an integer number (676359).

2^2555117 is an apocalyptic number.

It is an amenable number.

2555117 is a deficient number, since it is larger than the sum of its proper divisors (150319).

2555117 is a wasteful number, since it uses less digits than its factorization.

2555117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150318.

The product of its digits is 1750, while the sum is 26.

The square root of 2555117 is about 1598.4733341536. The cubic root of 2555117 is about 136.7110431607.

The spelling of 2555117 in words is "two million, five hundred fifty-five thousand, one hundred seventeen".