13528553 has 4 divisors (see below), whose sum is σ = 13719168. Its totient is φ = 13337940.

The previous prime is 13528547. The next prime is 13528561. The reversal of 13528553 is 35582531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13528553 is a prime.

It is a super-3 number, since 3×13528553³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13525553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95201 + ... + 95342.

It is an arithmetic number, because the mean of its divisors is an integer number (3429792).

Almost surely, 2^13528553 is an apocalyptic number.

It is an amenable number.

13528553 is a deficient number, since it is larger than the sum of its proper divisors (190615).

13528553 is an equidigital number, since it uses as much as digits as its factorization.

13528553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190614.

The product of its digits is 18000, while the sum is 32.

The square root of 13528553 is about 3678.1181329588. The cubic root of 13528553 is about 238.2779101841.

The spelling of 13528553 in words is "thirteen million, five hundred twenty-eight thousand, five hundred fifty-three".