133312025 has 48 divisors (see below), whose sum is σ = 215129088. Its totient is φ = 79464000.

The previous prime is 133311991. The next prime is 133312051. The reversal of 133312025 is 520213331.

It is not a de Polignac number, because 133312025 - 2¹⁸ = 133049881 is a prime.

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 = 133311988 and 133312006.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42770 + ... + 45780.

It is an arithmetic number, because the mean of its divisors is an integer number (4481856).

Almost surely, 2^133312025 is an apocalyptic number.

It is an amenable number.

133312025 is a deficient number, since it is larger than the sum of its proper divisors (81817063).

133312025 is a wasteful number, since it uses less digits than its factorization.

133312025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062 (or 3057 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 133312025 is about 11546.0826690268. The cubic root of 133312025 is about 510.8457388511.

Adding to 133312025 its reverse (520213331), we get a palindrome (653525356).

The spelling of 133312025 in words is "one hundred thirty-three million, three hundred twelve thousand, twenty-five".