8457125 has 16 divisors (see below), whose sum is σ = 10923120. Its totient is φ = 6529600.

The previous prime is 8457107. The next prime is 8457131. The reversal of 8457125 is 5217548.

8457125 = 1678² + 1679² + 1680².

It can be written as a sum of positive squares in 8 ways, for example, as 3290596 + 5166529 = 1814^2 + 2273^2 .

It is not a de Polignac number, because 8457125 - 2⁶ = 8457061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8457091 and 8457100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2459 + ... + 4791.

It is an arithmetic number, because the mean of its divisors is an integer number (682695).

Almost surely, 2^8457125 is an apocalyptic number.

It is an amenable number.

8457125 is a deficient number, since it is larger than the sum of its proper divisors (2465995).

8457125 is a wasteful number, since it uses less digits than its factorization.

8457125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377 (or 2367 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 8457125 is about 2908.1136497737. The cubic root of 8457125 is about 203.7390373868.

The spelling of 8457125 in words is "eight million, four hundred fifty-seven thousand, one hundred twenty-five".