2054278 has 4 divisors (see below), whose sum is σ = 3081420. Its totient is φ = 1027138.

The previous prime is 2054257. The next prime is 2054317. The reversal of 2054278 is 8724502.

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

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 as a sum of consecutive naturals, namely, 513568 + ... + 513571.

It is an arithmetic number, because the mean of its divisors is an integer number (770355).

2^2054278 is an apocalyptic number.

2054278 is a deficient number, since it is larger than the sum of its proper divisors (1027142).

2054278 is a wasteful number, since it uses less digits than its factorization.

2054278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027141.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2054278 is about 1433.2752701418. The cubic root of 2054278 is about 127.1217135592.

It can be divided in two parts, 2054 and 278, that added together give a palindrome (2332).

The spelling of 2054278 in words is "two million, fifty-four thousand, two hundred seventy-eight".