8417508425 has 12 divisors (see below), whose sum is σ = 10530083100. Its totient is φ = 6674411520.

The previous prime is 8417508349. The next prime is 8417508427. The reversal of 8417508425 is 5248057148.

It can be written as a sum of positive squares in 6 ways, for example, as 3437242384 + 4980266041 = 58628^2 + 70571^2 .

It is not a de Polignac number, because 8417508425 - 2¹⁸ = 8417246281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8417508427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1487000 + ... + 1492649.

It is an arithmetic number, because the mean of its divisors is an integer number (877506925).

Almost surely, 2^8417508425 is an apocalyptic number.

It is an amenable number.

8417508425 is a deficient number, since it is larger than the sum of its proper divisors (2112574675).

8417508425 is a wasteful number, since it uses less digits than its factorization.

8417508425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2979772 (or 2979767 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 44.

The square root of 8417508425 is about 91746.9804680241. The cubic root of 8417508425 is about 2034.2040747206.

The spelling of 8417508425 in words is "eight billion, four hundred seventeen million, five hundred eight thousand, four hundred twenty-five".