2078255 has 4 divisors (see below), whose sum is σ = 2493912. Its totient is φ = 1662600.

The previous prime is 2078243. The next prime is 2078287. The reversal of 2078255 is 5528702.

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

It is not a de Polignac number, because 2078255 - 2⁶ = 2078191 is a prime.

It is a d-powerful number, because it can be written as 2² + 0 + 7⁶ + 8⁴ + 2⁸ + 5⁵ + 5⁹ .

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, 207821 + ... + 207830.

It is an arithmetic number, because the mean of its divisors is an integer number (623478).

2^2078255 is an apocalyptic number.

2078255 is a deficient number, since it is larger than the sum of its proper divisors (415657).

2078255 is an equidigital number, since it uses as much as digits as its factorization.

2078255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415656.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2078255 is about 1441.6154133471. The cubic root of 2078255 is about 127.6143789707.

The spelling of 2078255 in words is "two million, seventy-eight thousand, two hundred fifty-five".