2550043 has 4 divisors (see below), whose sum is σ = 2554888. Its totient is φ = 2545200.

The previous prime is 2550019. The next prime is 2550059. The reversal of 2550043 is 3400552.

It is a happy number.

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 2550043 - 2⁹ = 2549531 is a prime.

It is a Duffinian number.

2550043 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2550043.

It is not an unprimeable number, because it can be changed into a prime (2550013) 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, 1521 + ... + 2722.

It is an arithmetic number, because the mean of its divisors is an integer number (638722).

2^2550043 is an apocalyptic number.

2550043 is a deficient number, since it is larger than the sum of its proper divisors (4845).

2550043 is an equidigital number, since it uses as much as digits as its factorization.

2550043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 2550043 is about 1596.8854060326. The cubic root of 2550043 is about 136.6204887282.

Adding to 2550043 its reverse (3400552), we get a palindrome (5950595).

The spelling of 2550043 in words is "two million, five hundred fifty thousand, forty-three".