825633250 has 32 divisors (see below), whose sum is σ = 1664483184. Its totient is φ = 304848000.

The previous prime is 825633247. The next prime is 825633269. The reversal of 825633250 is 52336528.

It is a happy number.

825633250 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 106481761 + 719151489 = 10319^2 + 26817^2 .

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, 123771 + ... + 130270.

Almost surely, 2^825633250 is an apocalyptic number.

825633250 is an abundant number, since it is smaller than the sum of its proper divisors (838849934).

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

825633250 is a wasteful number, since it uses less digits than its factorization.

825633250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254071 (or 254061 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 825633250 is about 28733.8345857284. The cubic root of 825633250 is about 938.1286331956.

Adding to 825633250 its reverse (52336528), we get a palindrome (877969778).

The spelling of 825633250 in words is "eight hundred twenty-five million, six hundred thirty-three thousand, two hundred fifty".