2554543 has 2 divisors, whose sum is σ = 2554544. Its totient is φ = 2554542.

The previous prime is 2554529. The next prime is 2554549. The reversal of 2554543 is 3454552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2554543 - 2¹³ = 2546351 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277271 + 1277272.

It is an arithmetic number, because the mean of its divisors is an integer number (1277272).

2^2554543 is an apocalyptic number.

2554543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554543 is an equidigital number, since it uses as much as digits as its factorization.

2554543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 28.

The square root of 2554543 is about 1598.2937777518. The cubic root of 2554543 is about 136.7008051408.

Subtracting 2554543 from its reverse (3454552), we obtain a palindrome (900009).

The spelling of 2554543 in words is "two million, five hundred fifty-four thousand, five hundred forty-three".