13524321002 has 4 divisors (see below), whose sum is σ = 20286481506. Its totient is φ = 6762160500.

The previous prime is 13524321001. The next prime is 13524321029. The reversal of 13524321002 is 20012342531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20012342531 = 541 ⋅36991391.

It can be written as a sum of positive squares in only one way, i.e., 13064261401 + 460059601 = 114299^2 + 21449^2 .

It is not an unprimeable number, because it can be changed into a prime (13524321001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3381080249 + ... + 3381080252.

Almost surely, 2^13524321002 is an apocalyptic number.

13524321002 is a deficient number, since it is larger than the sum of its proper divisors (6762160504).

13524321002 is an equidigital number, since it uses as much as digits as its factorization.

13524321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762160503.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 13524321002 its reverse (20012342531), we get a palindrome (33536663533).

The spelling of 13524321002 in words is "thirteen billion, five hundred twenty-four million, three hundred twenty-one thousand, two".