825025577 has 2 divisors, whose sum is σ = 825025578. Its totient is φ = 825025576.

The previous prime is 825025567. The next prime is 825025601. The reversal of 825025577 is 775520528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 807753241 + 17272336 = 28421^2 + 4156^2 .

It is a cyclic number.

It is not a de Polignac number, because 825025577 - 2¹⁶ = 824960041 is a prime.

It is not a weakly prime, because it can be changed into another prime (825025547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412512788 + 412512789.

It is an arithmetic number, because the mean of its divisors is an integer number (412512789).

Almost surely, 2^825025577 is an apocalyptic number.

It is an amenable number.

825025577 is a deficient number, since it is larger than the sum of its proper divisors (1).

825025577 is an equidigital number, since it uses as much as digits as its factorization.

825025577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 825025577 is about 28723.2584676600. The cubic root of 825025577 is about 937.8984198580.

The spelling of 825025577 in words is "eight hundred twenty-five million, twenty-five thousand, five hundred seventy-seven".