2905255 has 8 divisors (see below), whose sum is σ = 3502224. Its totient is φ = 2313600.

The previous prime is 2905241. The next prime is 2905267. The reversal of 2905255 is 5525092.

2905255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2905255 is a nontrivial binomial coefficient, being equal to C(2411, 2).

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

It is not a de Polignac number, because 2905255 - 2⁵ = 2905223 is a prime.

It is a Duffinian number.

2905255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 2410.

It is an arithmetic number, because the mean of its divisors is an integer number (437778).

2^2905255 is an apocalyptic number.

2905255 is the 2410-th triangular number.

2905255 is the 804-th centered nonagonal number.

2905255 is a deficient number, since it is larger than the sum of its proper divisors (596969).

2905255 is a wasteful number, since it uses less digits than its factorization.

2905255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 2905255 is about 1704.4808593821. The cubic root of 2905255 is about 142.6903990226.

It can be divided in two parts, 2905 and 255, that added together give a triangular number (3160 = T₇₉).

The spelling of 2905255 in words is "two million, nine hundred five thousand, two hundred fifty-five".