2478255 has 32 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 1196160.

The previous prime is 2478241. The next prime is 2478257. The reversal of 2478255 is 5528742.

It is not a de Polignac number, because 2478255 - 2⁴ = 2478239 is a prime.

It is a super-2 number, since 2×2478255² = 12283495690050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁶ + 4⁵ + 7⁴ + 8 + 2¹⁶ + 5⁸ + 5⁹ .

2478255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13756 + ... + 13934.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

2^2478255 is an apocalyptic number.

2478255 is a deficient number, since it is larger than the sum of its proper divisors (1876305).

2478255 is a wasteful number, since it uses less digits than its factorization.

2478255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its digits is 22400, while the sum is 33.

The square root of 2478255 is about 1574.2474392547. The cubic root of 2478255 is about 135.3262343228.

The spelling of 2478255 in words is "two million, four hundred seventy-eight thousand, two hundred fifty-five".