2513549 has 2 divisors, whose sum is σ = 2513550. Its totient is φ = 2513548.

The previous prime is 2513527. The next prime is 2513551. The reversal of 2513549 is 9453152.

2513549 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., 1716100 + 797449 = 1310^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513549 - 2⁸ = 2513293 is a prime.

Together with 2513551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513519) 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, 1256774 + 1256775.

It is an arithmetic number, because the mean of its divisors is an integer number (1256775).

2^2513549 is an apocalyptic number.

It is an amenable number.

2513549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513549 is an equidigital number, since it uses as much as digits as its factorization.

2513549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 2513549 is about 1585.4176105998. The cubic root of 2513549 is about 135.9656235202.

The spelling of 2513549 in words is "two million, five hundred thirteen thousand, five hundred forty-nine".