825799248 has 60 divisors (see below), whose sum is σ = 2313953460. Its totient is φ = 274925568.

The previous prime is 825799243. The next prime is 825799277. The reversal of 825799248 is 842997528.

It can be written as a sum of positive squares in 2 ways, for example, as 10810944 + 814988304 = 3288^2 + 28548^2 .

It is a junction number, because it is equal to n+sod(n) for n = 825799194 and 825799203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825799243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130690 + ... + 136862.

It is an arithmetic number, because the mean of its divisors is an integer number (38565891).

Almost surely, 2^825799248 is an apocalyptic number.

It is an amenable number.

825799248 is an abundant number, since it is smaller than the sum of its proper divisors (1488154212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

825799248 is a wasteful number, since it uses less digits than its factorization.

825799248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116 (or 7107 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 825799248 is about 28736.7229864506. The cubic root of 825799248 is about 938.1915009162.

The spelling of 825799248 in words is "eight hundred twenty-five million, seven hundred ninety-nine thousand, two hundred forty-eight".