13542505 has 16 divisors (see below), whose sum is σ = 17192448. Its totient is φ = 10224000.

The previous prime is 13542491. The next prime is 13542521. The reversal of 13542505 is 50524531.

13542505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13542505 - 2⁹ = 13541993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13542505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5290 + ... + 7420.

It is an arithmetic number, because the mean of its divisors is an integer number (1074528).

Almost surely, 2^13542505 is an apocalyptic number.

It is an amenable number.

13542505 is a deficient number, since it is larger than the sum of its proper divisors (3649943).

13542505 is a wasteful number, since it uses less digits than its factorization.

13542505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 13542505 is about 3680.0142662767. The cubic root of 13542505 is about 238.3597940639.

The spelling of 13542505 in words is "thirteen million, five hundred forty-two thousand, five hundred five".