825250571 has 2 divisors, whose sum is σ = 825250572. Its totient is φ = 825250570.

The previous prime is 825250549. The next prime is 825250589. The reversal of 825250571 is 175052528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825250571 - 2⁶ = 825250507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (825250171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412625285 + 412625286.

It is an arithmetic number, because the mean of its divisors is an integer number (412625286).

Almost surely, 2^825250571 is an apocalyptic number.

825250571 is a deficient number, since it is larger than the sum of its proper divisors (1).

825250571 is an equidigital number, since it uses as much as digits as its factorization.

825250571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 825250571 is about 28727.1747827732. The cubic root of 825250571 is about 937.9836706847.

The spelling of 825250571 in words is "eight hundred twenty-five million, two hundred fifty thousand, five hundred seventy-one".