2555149 has 4 divisors (see below), whose sum is σ = 2566080. Its totient is φ = 2544220.

The previous prime is 2555141. The next prime is 2555159. The reversal of 2555149 is 9415552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2555149 - 2³ = 2555141 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2555149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555141) 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, 5107 + ... + 5584.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

2^2555149 is an apocalyptic number.

It is an amenable number.

2555149 is a deficient number, since it is larger than the sum of its proper divisors (10931).

2555149 is a wasteful number, since it uses less digits than its factorization.

2555149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10930.

The product of its digits is 9000, while the sum is 31.

The square root of 2555149 is about 1598.4833436730. The cubic root of 2555149 is about 136.7116138762.

It can be divided in two parts, 25551 and 49, that added together give a square (25600 = 160²).

The spelling of 2555149 in words is "two million, five hundred fifty-five thousand, one hundred forty-nine".