8513225549 has 8 divisors (see below), whose sum is σ = 9025356288. Its totient is φ = 8015939280.

The previous prime is 8513225537. The next prime is 8513225563. The reversal of 8513225549 is 9455223158.

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 8513225549 - 2⁸ = 8513225293 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 (8513225599) 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, 3709937 + ... + 3712230.

It is an arithmetic number, because the mean of its divisors is an integer number (1128169536).

Almost surely, 2^8513225549 is an apocalyptic number.

It is an amenable number.

8513225549 is a deficient number, since it is larger than the sum of its proper divisors (512130739).

8513225549 is a wasteful number, since it uses less digits than its factorization.

8513225549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422235.

The product of its digits is 432000, while the sum is 44.

The square root of 8513225549 is about 92267.1423042895. The cubic root of 8513225549 is about 2041.8854755852.

The spelling of 8513225549 in words is "eight billion, five hundred thirteen million, two hundred twenty-five thousand, five hundred forty-nine".