33250025 has 6 divisors (see below), whose sum is σ = 41230062. Its totient is φ = 26600000.

The previous prime is 33250001. The next prime is 33250031. The reversal of 33250025 is 52005233.

It can be written as a sum of positive squares in 3 ways, for example, as 2458624 + 30791401 = 1568^2 + 5549^2 .

It is not a de Polignac number, because 33250025 - 2⁶ = 33249961 is a prime.

It is a super-2 number, since 2×33250025² = 2211128325001250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33249979 and 33250006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 664976 + ... + 665025.

It is an arithmetic number, because the mean of its divisors is an integer number (6871677).

Almost surely, 2^33250025 is an apocalyptic number.

It is an amenable number.

33250025 is a deficient number, since it is larger than the sum of its proper divisors (7980037).

33250025 is a wasteful number, since it uses less digits than its factorization.

33250025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330011 (or 1330006 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 33250025 is about 5766.2834651099. The cubic root of 33250025 is about 321.5614601608.

Adding to 33250025 its reverse (52005233), we get a palindrome (85255258).

The spelling of 33250025 in words is "thirty-three million, two hundred fifty thousand, twenty-five".