825252499 has 2 divisors, whose sum is σ = 825252500. Its totient is φ = 825252498.

The previous prime is 825252487. The next prime is 825252521. The reversal of 825252499 is 994252528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 825252499 - 2¹¹ = 825250451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (825252409) 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, 412626249 + 412626250.

It is an arithmetic number, because the mean of its divisors is an integer number (412626250).

Almost surely, 2^825252499 is an apocalyptic number.

825252499 is a deficient number, since it is larger than the sum of its proper divisors (1).

825252499 is an equidigital number, since it uses as much as digits as its factorization.

825252499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 46.

The square root of 825252499 is about 28727.2083398300. The cubic root of 825252499 is about 937.9844011421.

The spelling of 825252499 in words is "eight hundred twenty-five million, two hundred fifty-two thousand, four hundred ninety-nine".