13504382225 has 12 divisors (see below), whose sum is σ = 17730460044. Its totient is φ = 10168005120.

The previous prime is 13504382209. The next prime is 13504382233. The reversal of 13504382225 is 52228340531.

It can be written as a sum of positive squares in 6 ways, for example, as 309724801 + 13194657424 = 17599^2 + 114868^2 .

It is not a de Polignac number, because 13504382225 - 2⁴ = 13504382209 is a prime.

It is a Duffinian 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, 15887084 + ... + 15887933.

It is an arithmetic number, because the mean of its divisors is an integer number (1477538337).

Almost surely, 2^13504382225 is an apocalyptic number.

It is an amenable number.

13504382225 is a deficient number, since it is larger than the sum of its proper divisors (4226077819).

13504382225 is a wasteful number, since it uses less digits than its factorization.

13504382225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31775044 (or 31775039 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 13504382225 in words is "thirteen billion, five hundred four million, three hundred eighty-two thousand, two hundred twenty-five".