8529427 has 4 divisors (see below), whose sum is σ = 9031176. Its totient is φ = 8027680.

The previous prime is 8529413. The next prime is 8529439. The reversal of 8529427 is 7249258.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7249258 = 2 ⋅3624629.

It is a cyclic number.

It is not a de Polignac number, because 8529427 - 2⁷ = 8529299 is a prime.

It is a super-2 number, since 2×8529427² = 145502249896658, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8 + 5⁵ + 2¹⁷ + 9⁴ + 4 + 2²³ + 7² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8520427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250849 + ... + 250882.

It is an arithmetic number, because the mean of its divisors is an integer number (2257794).

Almost surely, 2^8529427 is an apocalyptic number.

8529427 is a deficient number, since it is larger than the sum of its proper divisors (501749).

8529427 is a wasteful number, since it uses less digits than its factorization.

8529427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501748.

The product of its digits is 40320, while the sum is 37.

The square root of 8529427 is about 2920.5182759230. The cubic root of 8529427 is about 204.3179953365.

The spelling of 8529427 in words is "eight million, five hundred twenty-nine thousand, four hundred twenty-seven".