2551028 has 12 divisors (see below), whose sum is σ = 4475520. Its totient is φ = 1272312.

The previous prime is 2551027. The next prime is 2551033. The reversal of 2551028 is 8201552.

It is a junction number, because it is equal to n+sod(n) for n = 2550994 and 2551012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525 + ... + 3387.

It is an arithmetic number, because the mean of its divisors is an integer number (372960).

2^2551028 is an apocalyptic number.

It is an amenable number.

2551028 is a deficient number, since it is larger than the sum of its proper divisors (1924492).

2551028 is a wasteful number, since it uses less digits than its factorization.

2551028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2551028 is about 1597.1937891189. The cubic root of 2551028 is about 136.6380771713.

The spelling of 2551028 in words is "two million, five hundred fifty-one thousand, twenty-eight".