825016285 has 8 divisors (see below), whose sum is σ = 1008699480. Its totient is φ = 647559744.

The previous prime is 825016253. The next prime is 825016337. The reversal of 825016285 is 582610528.

It can be written as a sum of positive squares in 4 ways, for example, as 303944356 + 521071929 = 17434^2 + 22827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825016285 - 2⁵ = 825016253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556370 + ... + 1556899.

It is an arithmetic number, because the mean of its divisors is an integer number (126087435).

Almost surely, 2^825016285 is an apocalyptic number.

It is an amenable number.

825016285 is a deficient number, since it is larger than the sum of its proper divisors (183683195).

825016285 is a wasteful number, since it uses less digits than its factorization.

825016285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113327.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 825016285 is about 28723.0967167539. The cubic root of 825016285 is about 937.8948987612.

The spelling of 825016285 in words is "eight hundred twenty-five million, sixteen thousand, two hundred eighty-five".