2553918 has 8 divisors (see below), whose sum is σ = 5107848. Its totient is φ = 851304.

The previous prime is 2553917. The next prime is 2553937. The reversal of 2553918 is 8193552.

It is a sphenic number, since it is the product of 3 distinct primes.

2553918 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553917) 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, 212821 + ... + 212832.

It is an arithmetic number, because the mean of its divisors is an integer number (638481).

2^2553918 is an apocalyptic number.

2553918 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.

2553918 is a wasteful number, since it uses less digits than its factorization.

2553918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425658.

The product of its digits is 10800, while the sum is 33.

The square root of 2553918 is about 1598.0982447897. The cubic root of 2553918 is about 136.6896557269.

The spelling of 2553918 in words is "two million, five hundred fifty-three thousand, nine hundred eighteen".