825830330 has 32 divisors (see below), whose sum is σ = 1610355600. Its totient is φ = 304913856.

The previous prime is 825830321. The next prime is 825830347. The reversal of 825830330 is 33038528.

It can be written as a sum of positive squares in 8 ways, for example, as 25110121 + 800720209 = 5011^2 + 28297^2 .

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, 3176 + ... + 40764.

Almost surely, 2^825830330 is an apocalyptic number.

825830330 is a deficient number, since it is larger than the sum of its proper divisors (784525270).

825830330 is a wasteful number, since it uses less digits than its factorization.

825830330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37635 (or 37609 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 825830330 is about 28737.2637876329. The cubic root of 825830330 is about 938.2032715341.

Adding to 825830330 its reverse (33038528), we get a palindrome (858868858).

The spelling of 825830330 in words is "eight hundred twenty-five million, eight hundred thirty thousand, three hundred thirty".