2533549 has 2 divisors, whose sum is σ = 2533550. Its totient is φ = 2533548.

The previous prime is 2533507. The next prime is 2533577. The reversal of 2533549 is 9453352.

2533549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 777924 = 1325^2 + 882^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533549 - 2¹⁵ = 2500781 is a prime.

It is a Chen prime.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2533549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2533049) 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 as a sum of consecutive naturals, namely, 1266774 + 1266775.

It is an arithmetic number, because the mean of its divisors is an integer number (1266775).

2^2533549 is an apocalyptic number.

It is an amenable number.

2533549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2533549 is an equidigital number, since it uses as much as digits as its factorization.

2533549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 31.

The square root of 2533549 is about 1591.7125996863. The cubic root of 2533549 is about 136.3252918316.

The spelling of 2533549 in words is "two million, five hundred thirty-three thousand, five hundred forty-nine".