13545013252 has 12 divisors (see below), whose sum is σ = 23750346060. Its totient is φ = 6759200096.

The previous prime is 13545013247. The next prime is 13545013253. The reversal of 13545013252 is 25231054531.

It can be written as a sum of positive squares in 2 ways, for example, as 6805260036 + 6739753216 = 82494^2 + 82096^2 .

It is not an unprimeable number, because it can be changed into a prime (13545013253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3324343 + ... + 3328414.

It is an arithmetic number, because the mean of its divisors is an integer number (1979195505).

Almost surely, 2^13545013252 is an apocalyptic number.

It is an amenable number.

13545013252 is a deficient number, since it is larger than the sum of its proper divisors (10205332808).

13545013252 is a wasteful number, since it uses less digits than its factorization.

13545013252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6653270 (or 6653268 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 13545013252 its reverse (25231054531), we get a palindrome (38776067783).

The spelling of 13545013252 in words is "thirteen billion, five hundred forty-five million, thirteen thousand, two hundred fifty-two".