2536549 has 2 divisors, whose sum is σ = 2536550. Its totient is φ = 2536548.

The previous prime is 2536517. The next prime is 2536559. The reversal of 2536549 is 9456352.

2536549 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., 1643524 + 893025 = 1282^2 + 945^2 .

It is a cyclic number.

It is not a de Polignac number, because 2536549 - 2⁵ = 2536517 is a prime.

2536549 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2536559) 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, 1268274 + 1268275.

It is an arithmetic number, because the mean of its divisors is an integer number (1268275).

2^2536549 is an apocalyptic number.

It is an amenable number.

2536549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2536549 is an equidigital number, since it uses as much as digits as its factorization.

2536549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 2536549 is about 1592.6547020619. The cubic root of 2536549 is about 136.3790786418.

The spelling of 2536549 in words is "two million, five hundred thirty-six thousand, five hundred forty-nine".