825001330 has 32 divisors (see below), whose sum is σ = 1587956400. Its totient is φ = 307507200.

The previous prime is 825001291. The next prime is 825001369. The reversal of 825001330 is 33100528.

It is an interprime number because it is at equal distance from previous prime (825001291) and next prime (825001369).

It can be written as a sum of positive squares in 8 ways, for example, as 507555841 + 317445489 = 22529^2 + 17817^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6855 + ... + 41194.

Almost surely, 2^825001330 is an apocalyptic number.

825001330 is a deficient number, since it is larger than the sum of its proper divisors (762955070).

825001330 is a wasteful number, since it uses less digits than its factorization.

825001330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48174.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 825001330 is about 28722.8363850091. The cubic root of 825001330 is about 937.8892316800.

Adding to 825001330 its reverse (33100528), we get a palindrome (858101858).

The spelling of 825001330 in words is "eight hundred twenty-five million, one thousand, three hundred thirty".