2551136 has 36 divisors (see below), whose sum is σ = 5846148. Its totient is φ = 1092672.

The previous prime is 2551127. The next prime is 2551169. The reversal of 2551136 is 6311552.

2551136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 5 ways as a sum of consecutive naturals, for example, 755 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (162393).

2^2551136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923074).

2551136 is an abundant number, since it is smaller than the sum of its proper divisors (3295012).

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

2551136 is a wasteful number, since it uses less digits than its factorization.

2551136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1636 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 2551136 is about 1597.2275980586. The cubic root of 2551136 is about 136.6400053749.

Adding to 2551136 its reverse (6311552), we get a palindrome (8862688).

The spelling of 2551136 in words is "two million, five hundred fifty-one thousand, one hundred thirty-six".