8472529 has 4 divisors (see below), whose sum is σ = 9124276. Its totient is φ = 7820784.

The previous prime is 8472523. The next prime is 8472539. The reversal of 8472529 is 9252748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5650129 + 2822400 = 2377^2 + 1680^2 .

It is a cyclic number.

It is not a de Polignac number, because 8472529 - 2⁹ = 8472017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8472523) 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, 325854 + ... + 325879.

It is an arithmetic number, because the mean of its divisors is an integer number (2281069).

Almost surely, 2^8472529 is an apocalyptic number.

It is an amenable number.

8472529 is a deficient number, since it is larger than the sum of its proper divisors (651747).

8472529 is a wasteful number, since it uses less digits than its factorization.

8472529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651746.

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

The square root of 8472529 is about 2910.7608970852. The cubic root of 8472529 is about 203.8626606673.

The spelling of 8472529 in words is "eight million, four hundred seventy-two thousand, five hundred twenty-nine".