2554439 has 2 divisors, whose sum is σ = 2554440. Its totient is φ = 2554438.

The previous prime is 2554429. The next prime is 2554451. The reversal of 2554439 is 9344552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2554439 - 2¹² = 2550343 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554429) 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 as a sum of consecutive naturals, namely, 1277219 + 1277220.

It is an arithmetic number, because the mean of its divisors is an integer number (1277220).

2^2554439 is an apocalyptic number.

2554439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554439 is an equidigital number, since it uses as much as digits as its factorization.

2554439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 2554439 is about 1598.2612427260. The cubic root of 2554439 is about 136.6989500045.

The spelling of 2554439 in words is "two million, five hundred fifty-four thousand, four hundred thirty-nine".