8525164321 has 8 divisors (see below), whose sum is σ = 9143176320. Its totient is φ = 7924084272.

The previous prime is 8525164313. The next prime is 8525164379. The reversal of 8525164321 is 1234615258.

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

It is not a de Polignac number, because 8525164321 - 2³ = 8525164313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8525164381) 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, 4231945 + ... + 4233958.

It is an arithmetic number, because the mean of its divisors is an integer number (1142897040).

Almost surely, 2^8525164321 is an apocalyptic number.

It is an amenable number.

8525164321 is a deficient number, since it is larger than the sum of its proper divisors (618011999).

8525164321 is a wasteful number, since it uses less digits than its factorization.

8525164321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8465975.

The product of its digits is 57600, while the sum is 37.

The square root of 8525164321 is about 92331.8164069136. The cubic root of 8525164321 is about 2042.8395291075.

Adding to 8525164321 its reverse (1234615258), we get a palindrome (9759779579).

The spelling of 8525164321 in words is "eight billion, five hundred twenty-five million, one hundred sixty-four thousand, three hundred twenty-one".