2555205 has 8 divisors (see below), whose sum is σ = 4088352. Its totient is φ = 1362768.

The previous prime is 2555197. The next prime is 2555213. The reversal of 2555205 is 5025552.

It is an interprime number because it is at equal distance from previous prime (2555197) and next prime (2555213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2555205 - 2³ = 2555197 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 85159 + ... + 85188.

It is an arithmetic number, because the mean of its divisors is an integer number (511044).

2^2555205 is an apocalyptic number.

It is an amenable number.

2555205 is a deficient number, since it is larger than the sum of its proper divisors (1533147).

2555205 is a wasteful number, since it uses less digits than its factorization.

2555205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170355.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 2555205 is about 1598.5008601812. The cubic root of 2555205 is about 136.7126126170.

It can be divided in two parts, 255 and 5205, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 2555205 in words is "two million, five hundred fifty-five thousand, two hundred five".