2551104 has 84 divisors (see below), whose sum is σ = 7554976. Its totient is φ = 822528.

The previous prime is 2551103. The next prime is 2551123. The reversal of 2551104 is 4011552.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24717 + ... + 24819.

2^2551104 is an apocalyptic number.

2551104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2551104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3777488).

2551104 is an abundant number, since it is smaller than the sum of its proper divisors (5003872).

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

2551104 is a wasteful number, since it uses less digits than its factorization.

2551104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2551104 is about 1597.2175806696. The cubic root of 2551104 is about 136.6394340610.

Adding to 2551104 its reverse (4011552), we get a palindrome (6562656).

The spelling of 2551104 in words is "two million, five hundred fifty-one thousand, one hundred four".