8502142530 has 64 divisors (see below), whose sum is σ = 23888971008. Its totient is φ = 1895946240.

The previous prime is 8502142513. The next prime is 8502142547. The reversal of 8502142530 is 352412058.

It is an interprime number because it is at equal distance from previous prime (8502142513) and next prime (8502142547).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485127 + ... + 502346.

It is an arithmetic number, because the mean of its divisors is an integer number (373265172).

Almost surely, 2^8502142530 is an apocalyptic number.

8502142530 is an abundant number, since it is smaller than the sum of its proper divisors (15386828478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8502142530 is a wasteful number, since it uses less digits than its factorization.

8502142530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987531.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 8502142530 is about 92207.0633411562. The cubic root of 8502142530 is about 2040.9990084850. Note that the first 3 decimals are identical.

Adding to 8502142530 its reverse (352412058), we get a palindrome (8854554588).

The spelling of 8502142530 in words is "eight billion, five hundred two million, one hundred forty-two thousand, five hundred thirty".