2550433 has 4 divisors (see below), whose sum is σ = 2567700. Its totient is φ = 2533168.

The previous prime is 2550407. The next prime is 2550437. The reversal of 2550433 is 3340552.

2550433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 91809 + 2458624 = 303^2 + 1568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550433 is a prime.

It is an Ulam number.

It is a Duffinian number.

2550433 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2550437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8410 + ... + 8707.

It is an arithmetic number, because the mean of its divisors is an integer number (641925).

2^2550433 is an apocalyptic number.

It is an amenable number.

2550433 is a deficient number, since it is larger than the sum of its proper divisors (17267).

2550433 is a wasteful number, since it uses less digits than its factorization.

2550433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17266.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 2550433 is about 1597.0075140712. The cubic root of 2550433 is about 136.6274532219.

Subtracting from 2550433 its sum of digits (22), we obtain a triangular number (2550411 = T₂₂₅₈).

Adding to 2550433 its reverse (3340552), we get a palindrome (5890985).

The spelling of 2550433 in words is "two million, five hundred fifty thousand, four hundred thirty-three".