2554859 has 4 divisors (see below), whose sum is σ = 2575104. Its totient is φ = 2534616.

The previous prime is 2554843. The next prime is 2554891. The reversal of 2554859 is 9584552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2554859 - 2⁴ = 2554843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2554819) 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, 9932 + ... + 10185.

It is an arithmetic number, because the mean of its divisors is an integer number (643776).

2^2554859 is an apocalyptic number.

2554859 is a deficient number, since it is larger than the sum of its proper divisors (20245).

2554859 is a wasteful number, since it uses less digits than its factorization.

2554859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20244.

The product of its digits is 72000, while the sum is 38.

The square root of 2554859 is about 1598.3926301131. The cubic root of 2554859 is about 136.7064415923.

The spelling of 2554859 in words is "two million, five hundred fifty-four thousand, eight hundred fifty-nine".