2553404 has 12 divisors (see below), whose sum is σ = 5106864. Its totient is φ = 1094304.

The previous prime is 2553403. The next prime is 2553409. The reversal of 2553404 is 4043552.

2553404 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2553404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553403) 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, 45569 + ... + 45624.

It is an arithmetic number, because the mean of its divisors is an integer number (425572).

2^2553404 is an apocalyptic number.

It is an amenable number.

2553404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2553404 is a wasteful number, since it uses less digits than its factorization.

2553404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91204 (or 91202 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2553404 is about 1597.9374205519. The cubic root of 2553404 is about 136.6804850857.

Adding to 2553404 its reverse (4043552), we get a palindrome (6596956).

The spelling of 2553404 in words is "two million, five hundred fifty-three thousand, four hundred four".