13542563 has 2 divisors, whose sum is σ = 13542564. Its totient is φ = 13542562.

The previous prime is 13542559. The next prime is 13542577. The reversal of 13542563 is 36524531.

13542563 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13542563 - 2² = 13542559 is a prime.

It is not a weakly prime, because it can be changed into another prime (13542553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771281 + 6771282.

It is an arithmetic number, because the mean of its divisors is an integer number (6771282).

Almost surely, 2^13542563 is an apocalyptic number.

13542563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542563 is an equidigital number, since it uses as much as digits as its factorization.

13542563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 13542563 is about 3680.0221466725. The cubic root of 13542563 is about 238.3601343468.

The spelling of 13542563 in words is "thirteen million, five hundred forty-two thousand, five hundred sixty-three".