2554509 has 16 divisors (see below), whose sum is σ = 3525120. Its totient is φ = 1644720.

The previous prime is 2554481. The next prime is 2554529. The reversal of 2554509 is 9054552.

It is a happy number.

It is not a de Polignac number, because 2554509 - 2⁵ = 2554477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554529) 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 15 ways as a sum of consecutive naturals, for example, 14182 + ... + 14360.

It is an arithmetic number, because the mean of its divisors is an integer number (220320).

2^2554509 is an apocalyptic number.

It is an amenable number.

2554509 is a deficient number, since it is larger than the sum of its proper divisors (970611).

2554509 is a wasteful number, since it uses less digits than its factorization.

2554509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2554509 is about 1598.2831413739. The cubic root of 2554509 is about 136.7001986595.

The spelling of 2554509 in words is "two million, five hundred fifty-four thousand, five hundred nine".