825886601 has 2 divisors, whose sum is σ = 825886602. Its totient is φ = 825886600.

The previous prime is 825886597. The next prime is 825886631. The reversal of 825886601 is 106688528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 753228025 + 72658576 = 27445^2 + 8524^2 .

It is a cyclic number.

It is not a de Polignac number, because 825886601 - 2² = 825886597 is a prime.

It is a super-2 number, since 2×825886601² = 1364177355422666402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (825886631) 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, 412943300 + 412943301.

It is an arithmetic number, because the mean of its divisors is an integer number (412943301).

Almost surely, 2^825886601 is an apocalyptic number.

It is an amenable number.

825886601 is a deficient number, since it is larger than the sum of its proper divisors (1).

825886601 is an equidigital number, since it uses as much as digits as its factorization.

825886601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 825886601 is about 28738.2428307647. The cubic root of 825886601 is about 938.2245803653.

The spelling of 825886601 in words is "eight hundred twenty-five million, eight hundred eighty-six thousand, six hundred one".