8240125 has 8 divisors (see below), whose sum is σ = 10283832. Its totient is φ = 6592000.

The previous prime is 8240119. The next prime is 8240131. The reversal of 8240125 is 5210428.

It is an interprime number because it is at equal distance from previous prime (8240119) and next prime (8240131).

It can be written as a sum of positive squares in 4 ways, for example, as 1879641 + 6360484 = 1371^2 + 2522^2 .

It is not a de Polignac number, because 8240125 - 2⁵ = 8240093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8240096 and 8240105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32836 + ... + 33085.

It is an arithmetic number, because the mean of its divisors is an integer number (1285479).

Almost surely, 2^8240125 is an apocalyptic number.

It is an amenable number.

8240125 is a deficient number, since it is larger than the sum of its proper divisors (2043707).

8240125 is an equidigital number, since it uses as much as digits as its factorization.

8240125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65936 (or 65926 counting only the distinct ones).

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

The square root of 8240125 is about 2870.5617917056. The cubic root of 8240125 is about 201.9813481455.

The spelling of 8240125 in words is "eight million, two hundred forty thousand, one hundred twenty-five".