8513427 has 16 divisors (see below), whose sum is σ = 12757248. Its totient is φ = 5010720.

The previous prime is 8513389. The next prime is 8513429. The reversal of 8513427 is 7243158.

8513427 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8513427 - 2⁸ = 8513171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8513394 and 8513403.

It is not an unprimeable number, because it can be changed into a prime (8513429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3849 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (797328).

Almost surely, 2^8513427 is an apocalyptic number.

8513427 is a deficient number, since it is larger than the sum of its proper divisors (4243821).

8513427 is a wasteful number, since it uses less digits than its factorization.

8513427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530.

The product of its digits is 6720, while the sum is 30.

The square root of 8513427 is about 2917.7777502750. Note that the first 4 decimals coincide. The cubic root of 8513427 is about 204.1901581374.

It can be divided in two parts, 851 and 3427, that added together give a triangular number (4278 = T₉₂).

The spelling of 8513427 in words is "eight million, five hundred thirteen thousand, four hundred twenty-seven".