8125240 has 32 divisors (see below), whose sum is σ = 18545760. Its totient is φ = 3203200.

The previous prime is 8125231. The next prime is 8125253. The reversal of 8125240 is 425218.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1410 + ... + 4270.

It is an arithmetic number, because the mean of its divisors is an integer number (579555).

Almost surely, 2^8125240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8125240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9272880).

8125240 is an abundant number, since it is smaller than the sum of its proper divisors (10420520).

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

8125240 is a wasteful number, since it uses less digits than its factorization.

8125240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 8125240 is about 2850.4806612219. The cubic root of 8125240 is about 201.0382673442.

Subtracting from 8125240 its sum of digits (22), we obtain a palindrome (8125218).

The spelling of 8125240 in words is "eight million, one hundred twenty-five thousand, two hundred forty".