825828245 has 16 divisors (see below), whose sum is σ = 1101485952. Its totient is φ = 589268160.

The previous prime is 825828239. The next prime is 825828281. The reversal of 825828245 is 542828528.

It is not a de Polignac number, because 825828245 - 2⁴ = 825828229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 825828196 and 825828205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138737 + ... + 144566.

It is an arithmetic number, because the mean of its divisors is an integer number (68842872).

Almost surely, 2^825828245 is an apocalyptic number.

It is an amenable number.

825828245 is a deficient number, since it is larger than the sum of its proper divisors (275657707).

825828245 is a wasteful number, since it uses less digits than its factorization.

825828245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283372.

The product of its digits is 409600, while the sum is 44.

The square root of 825828245 is about 28737.2275106698. The cubic root of 825828245 is about 938.2024819630.

The spelling of 825828245 in words is "eight hundred twenty-five million, eight hundred twenty-eight thousand, two hundred forty-five".