13513025213 has 4 divisors (see below), whose sum is σ = 13515992508. Its totient is φ = 13510057920.

The previous prime is 13513025203. The next prime is 13513025299. The reversal of 13513025213 is 31252031531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31252031531 = 7 ⋅4464575933.

It can be written as a sum of positive squares in 2 ways, for example, as 4424644324 + 9088380889 = 66518^2 + 95333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13513025213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513025203) 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, 1476806 + ... + 1485927.

It is an arithmetic number, because the mean of its divisors is an integer number (3378998127).

Almost surely, 2^13513025213 is an apocalyptic number.

It is an amenable number.

13513025213 is a deficient number, since it is larger than the sum of its proper divisors (2967295).

13513025213 is an equidigital number, since it uses as much as digits as its factorization.

13513025213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967294.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 13513025213 its reverse (31252031531), we get a palindrome (44765056744).

The spelling of 13513025213 in words is "thirteen billion, five hundred thirteen million, twenty-five thousand, two hundred thirteen".