2549129 has 16 divisors (see below), whose sum is σ = 2946240. Its totient is φ = 2184000.

The previous prime is 2549123. The next prime is 2549143. The reversal of 2549129 is 9219452.

2549129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2549129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2549095 and 2549104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19394 + ... + 19524.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

2^2549129 is an apocalyptic number.

2549129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2549129 is a deficient number, since it is larger than the sum of its proper divisors (397111).

2549129 is a wasteful number, since it uses less digits than its factorization.

2549129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its digits is 6480, while the sum is 32.

The square root of 2549129 is about 1596.5991982962. The cubic root of 2549129 is about 136.6041640298.

The spelling of 2549129 in words is "two million, five hundred forty-nine thousand, one hundred twenty-nine".