2551044 has 12 divisors (see below), whose sum is σ = 5952464. Its totient is φ = 850344.

The previous prime is 2551033. The next prime is 2551057. The reversal of 2551044 is 4401552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2551044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106282 + ... + 106305.

2^2551044 is an apocalyptic number.

It is an amenable number.

2551044 is an abundant number, since it is smaller than the sum of its proper divisors (3401420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551044 is a wasteful number, since it uses less digits than its factorization.

2551044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212594 (or 212592 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2551044 is about 1597.1987978959. The cubic root of 2551044 is about 136.6383628345.

Adding to 2551044 its reverse (4401552), we get a palindrome (6952596).

The spelling of 2551044 in words is "two million, five hundred fifty-one thousand, forty-four".