13213554325 has 12 divisors (see below), whose sum is σ = 16443125028. Its totient is φ = 10533219200.

The previous prime is 13213554311. The next prime is 13213554353. The reversal of 13213554325 is 52345531231.

It can be written as a sum of positive squares in 6 ways, for example, as 244672164 + 12968882161 = 15642^2 + 113881^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13213554325 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 933442 + ... + 947491.

It is an arithmetic number, because the mean of its divisors is an integer number (1370260419).

Almost surely, 2^13213554325 is an apocalyptic number.

It is an amenable number.

13213554325 is a deficient number, since it is larger than the sum of its proper divisors (3229570703).

13213554325 is a wasteful number, since it uses less digits than its factorization.

13213554325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881224 (or 1881219 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The spelling of 13213554325 in words is "thirteen billion, two hundred thirteen million, five hundred fifty-four thousand, three hundred twenty-five".