8187125 has 8 divisors (see below), whose sum is σ = 10217688. Its totient is φ = 6549600.

The previous prime is 8187097. The next prime is 8187139. The reversal of 8187125 is 5217818.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 380689 + 7806436 = 617^2 + 2794^2 .

It is not a de Polignac number, because 8187125 - 2⁸ = 8186869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8187091 and 8187100.

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, 32624 + ... + 32873.

It is an arithmetic number, because the mean of its divisors is an integer number (1277211).

Almost surely, 2^8187125 is an apocalyptic number.

It is an amenable number.

8187125 is a deficient number, since it is larger than the sum of its proper divisors (2030563).

8187125 is an equidigital number, since it uses as much as digits as its factorization.

8187125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65512 (or 65502 counting only the distinct ones).

The product of its digits is 4480, while the sum is 32.

The square root of 8187125 is about 2861.3152570103. The cubic root of 8187125 is about 201.5473723198.

The spelling of 8187125 in words is "eight million, one hundred eighty-seven thousand, one hundred twenty-five".