2544149 has 4 divisors (see below), whose sum is σ = 2550336. Its totient is φ = 2537964.

The previous prime is 2544137. The next prime is 2544161. The reversal of 2544149 is 9414452.

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 an interprime number because it is at equal distance from previous prime (2544137) and next prime (2544161).

It is a cyclic number.

It is not a de Polignac number, because 2544149 - 2⁴ = 2544133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2429 + ... + 3314.

It is an arithmetic number, because the mean of its divisors is an integer number (637584).

2^2544149 is an apocalyptic number.

It is an amenable number.

2544149 is a deficient number, since it is larger than the sum of its proper divisors (6187).

2544149 is an equidigital number, since it uses as much as digits as its factorization.

2544149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186.

The product of its digits is 5760, while the sum is 29.

The square root of 2544149 is about 1595.0388709997. The cubic root of 2544149 is about 136.5151490206.

The spelling of 2544149 in words is "two million, five hundred forty-four thousand, one hundred forty-nine".