13533300252 has 36 divisors (see below), whose sum is σ = 34719766536. Its totient is φ = 4443769440.

The previous prime is 13533300251. The next prime is 13533300269. The reversal of 13533300252 is 25200333531.

13533300252 is a `hidden beast` number, since 1 + 353 + 3 + 300 + 2 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13533300251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2802999 + ... + 2807822.

Almost surely, 2^13533300252 is an apocalyptic number.

13533300252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13533300252 is an abundant number, since it is smaller than the sum of its proper divisors (21186466284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13533300252 is a wasteful number, since it uses less digits than its factorization.

13533300252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610898 (or 5610893 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

Adding to 13533300252 its reverse (25200333531), we get a palindrome (38733633783).

The spelling of 13533300252 in words is "thirteen billion, five hundred thirty-three million, three hundred thousand, two hundred fifty-two".