825326171 has 2 divisors, whose sum is σ = 825326172. Its totient is φ = 825326170.

The previous prime is 825326111. The next prime is 825326179. The reversal of 825326171 is 171623528.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825326171 - 2¹⁰ = 825325147 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (825326179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412663085 + 412663086.

It is an arithmetic number, because the mean of its divisors is an integer number (412663086).

Almost surely, 2^825326171 is an apocalyptic number.

825326171 is a deficient number, since it is larger than the sum of its proper divisors (1).

825326171 is an equidigital number, since it uses as much as digits as its factorization.

825326171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 825326171 is about 28728.4905799104. The cubic root of 825326171 is about 938.0123122483.

Adding to 825326171 its reverse (171623528), we get a palindrome (996949699).

The spelling of 825326171 in words is "eight hundred twenty-five million, three hundred twenty-six thousand, one hundred seventy-one".