2533533 has 4 divisors (see below), whose sum is σ = 3378048. Its totient is φ = 1689020.

The previous prime is 2533507. The next prime is 2533549. The reversal of 2533533 is 3353352.

2533533 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2533533 - 2⁸ = 2533277 is a prime.

It is a D-number.

2533533 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533033) 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, 422253 + ... + 422258.

It is an arithmetic number, because the mean of its divisors is an integer number (844512).

2^2533533 is an apocalyptic number.

It is an amenable number.

2533533 is a deficient number, since it is larger than the sum of its proper divisors (844515).

2533533 is an equidigital number, since it uses as much as digits as its factorization.

2533533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844514.

The product of its digits is 4050, while the sum is 24.

The square root of 2533533 is about 1591.7075736454. The cubic root of 2533533 is about 136.3250048548.

Adding to 2533533 its reverse (3353352), we get a palindrome (5886885).

The spelling of 2533533 in words is "two million, five hundred thirty-three thousand, five hundred thirty-three".