13505253 has 8 divisors (see below), whose sum is σ = 18060000. Its totient is φ = 8977008.

The previous prime is 13505227. The next prime is 13505263. The reversal of 13505253 is 35250531.

13505253 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13505253 - 2⁶ = 13505189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13505263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5403 + ... + 7496.

It is an arithmetic number, because the mean of its divisors is an integer number (2257500).

Almost surely, 2^13505253 is an apocalyptic number.

It is an amenable number.

13505253 is a deficient number, since it is larger than the sum of its proper divisors (4554747).

13505253 is a wasteful number, since it uses less digits than its factorization.

13505253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13251.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 13505253 is about 3674.9493874066. The cubic root of 13505253 is about 238.1410375597.

Adding to 13505253 its reverse (35250531), we get a palindrome (48755784).

The spelling of 13505253 in words is "thirteen million, five hundred five thousand, two hundred fifty-three".