13523301252 has 36 divisors (see below), whose sum is σ = 34225211020. Its totient is φ = 4502319552.

The previous prime is 13523301241. The next prime is 13523301271. The reversal of 13523301252 is 25210332531.

It is a happy number.

13523301252 is a `hidden beast` number, since 1 + 352 + 3 + 301 + 2 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4563542916 + 8959758336 = 67554^2 + 94656^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196723 + ... + 256410.

Almost surely, 2^13523301252 is an apocalyptic number.

13523301252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13523301252 is an abundant number, since it is smaller than the sum of its proper divisors (20701909768).

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

13523301252 is a wasteful number, since it uses less digits than its factorization.

13523301252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453972 (or 453967 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 13523301252 its reverse (25210332531), we get a palindrome (38733633783).

The spelling of 13523301252 in words is "thirteen billion, five hundred twenty-three million, three hundred one thousand, two hundred fifty-two".