2554863 has 16 divisors (see below), whose sum is σ = 3618816. Its totient is φ = 1599840.

The previous prime is 2554843. The next prime is 2554891. The reversal of 2554863 is 3684552.

It is not a de Polignac number, because 2554863 - 2⁵ = 2554831 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁶ + 5⁴ + 5⁹ + 4 + 8⁴ + 6² + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3906 + ... + 4512.

It is an arithmetic number, because the mean of its divisors is an integer number (226176).

2^2554863 is an apocalyptic number.

2554863 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2554863 is a deficient number, since it is larger than the sum of its proper divisors (1063953).

2554863 is a wasteful number, since it uses less digits than its factorization.

2554863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its digits is 28800, while the sum is 33.

The square root of 2554863 is about 1598.3938813697. The cubic root of 2554863 is about 136.7065129369.

The spelling of 2554863 in words is "two million, five hundred fifty-four thousand, eight hundred sixty-three".