8425175261 has 2 divisors, whose sum is σ = 8425175262. Its totient is φ = 8425175260.

The previous prime is 8425175203. The next prime is 8425175293. The reversal of 8425175261 is 1625715248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7226700100 + 1198475161 = 85010^2 + 34619^2 .

It is a cyclic number.

It is not a de Polignac number, because 8425175261 - 2¹⁸ = 8424913117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8425175461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212587630 + 4212587631.

It is an arithmetic number, because the mean of its divisors is an integer number (4212587631).

Almost surely, 2^8425175261 is an apocalyptic number.

It is an amenable number.

8425175261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8425175261 is an equidigital number, since it uses as much as digits as its factorization.

8425175261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 41.

The square root of 8425175261 is about 91788.7534559654. The cubic root of 8425175261 is about 2034.8214853056.

The spelling of 8425175261 in words is "eight billion, four hundred twenty-five million, one hundred seventy-five thousand, two hundred sixty-one".