2553278 has 16 divisors (see below), whose sum is σ = 4714080. Its totient is φ = 1010016.

The previous prime is 2553251. The next prime is 2553283. The reversal of 2553278 is 8723552.

It is a d-powerful number, because it can be written as 2¹⁴ + 5² + 5⁹ + 3¹⁰ + 2¹⁹ + 7³ + 8² .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6833 + ... + 7196.

It is an arithmetic number, because the mean of its divisors is an integer number (294630).

2^2553278 is an apocalyptic number.

2553278 is a deficient number, since it is larger than the sum of its proper divisors (2160802).

2553278 is a wasteful number, since it uses less digits than its factorization.

2553278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051.

The product of its digits is 16800, while the sum is 32.

The square root of 2553278 is about 1597.8979942412. The cubic root of 2553278 is about 136.6782368418.

The spelling of 2553278 in words is "two million, five hundred fifty-three thousand, two hundred seventy-eight".