2555278 has 12 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 1161380.

The previous prime is 2555263. The next prime is 2555281. The reversal of 2555278 is 8725552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5038 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (351120).

2^2555278 is an apocalyptic number.

2555278 is a deficient number, since it is larger than the sum of its proper divisors (1658162).

2555278 is a wasteful number, since it uses less digits than its factorization.

2555278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10583 (or 10572 counting only the distinct ones).

The product of its digits is 28000, while the sum is 34.

The square root of 2555278 is about 1598.5236939126. The cubic root of 2555278 is about 136.7139145250.

The spelling of 2555278 in words is "two million, five hundred fifty-five thousand, two hundred seventy-eight".