2554919 has 4 divisors (see below), whose sum is σ = 2559600. Its totient is φ = 2550240.

The previous prime is 2554907. The next prime is 2554921. The reversal of 2554919 is 9194552.

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 2554919 - 2⁸ = 2554663 is a prime.

It is a super-2 number, since 2×2554919² = 13055222193122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554969) 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 3 ways as a sum of consecutive naturals, for example, 1394 + ... + 2655.

It is an arithmetic number, because the mean of its divisors is an integer number (639900).

2^2554919 is an apocalyptic number.

2554919 is a deficient number, since it is larger than the sum of its proper divisors (4681).

2554919 is an equidigital number, since it uses as much as digits as its factorization.

2554919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680.

The product of its digits is 16200, while the sum is 35.

The square root of 2554919 is about 1598.4113988583. The cubic root of 2554919 is about 136.7075117522.

The spelling of 2554919 in words is "two million, five hundred fifty-four thousand, nine hundred nineteen".