13548551 has 2 divisors, whose sum is σ = 13548552. Its totient is φ = 13548550.

The previous prime is 13548533. The next prime is 13548553. The reversal of 13548551 is 15584531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13548551 - 2¹⁸ = 13286407 is a prime.

Together with 13548553, 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 (13548553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6774275 + 6774276.

It is an arithmetic number, because the mean of its divisors is an integer number (6774276).

Almost surely, 2^13548551 is an apocalyptic number.

13548551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13548551 is an equidigital number, since it uses as much as digits as its factorization.

13548551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 32.

The square root of 13548551 is about 3680.8356388190. The cubic root of 13548551 is about 238.3952603952.

The spelling of 13548551 in words is "thirteen million, five hundred forty-eight thousand, five hundred fifty-one".