8109252 has 18 divisors (see below), whose sum is σ = 20498478. Its totient is φ = 2703072.

The previous prime is 8109251. The next prime is 8109263. The reversal of 8109252 is 2529018.

It can be written as a sum of positive squares in only one way, i.e., 4955076 + 3154176 = 2226^2 + 1776^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8109251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112593 + ... + 112664.

Almost surely, 2^8109252 is an apocalyptic number.

It is an amenable number.

8109252 is an abundant number, since it is smaller than the sum of its proper divisors (12389226).

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

8109252 is a wasteful number, since it uses less digits than its factorization.

8109252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225267 (or 225262 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8109252 is about 2847.6748409887. The cubic root of 8109252 is about 200.9063200493.

The spelling of 8109252 in words is "eight million, one hundred nine thousand, two hundred fifty-two".