13625451533 has 8 divisors (see below), whose sum is σ = 14624579448. Its totient is φ = 12648282624.

The previous prime is 13625451493. The next prime is 13625451569. The reversal of 13625451533 is 33515452631.

It can be written as a sum of positive squares in 4 ways, for example, as 3884156329 + 9741295204 = 62323^2 + 98698^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13625451533 - 2¹⁴ = 13625435149 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 (13625450533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5488466 + ... + 5490947.

It is an arithmetic number, because the mean of its divisors is an integer number (1828072431).

Almost surely, 2^13625451533 is an apocalyptic number.

It is an amenable number.

13625451533 is a deficient number, since it is larger than the sum of its proper divisors (999127915).

13625451533 is a wasteful number, since it uses less digits than its factorization.

13625451533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10979503.

The product of its digits is 162000, while the sum is 38.

The spelling of 13625451533 in words is "thirteen billion, six hundred twenty-five million, four hundred fifty-one thousand, five hundred thirty-three".