133172425 has 24 divisors (see below), whose sum is σ = 175162400. Its totient is φ = 100154880.

The previous prime is 133172401. The next prime is 133172443. The reversal of 133172425 is 524271331.

It is not a de Polignac number, because 133172425 - 2¹¹ = 133170377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133172393 and 133172402.

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 23 ways as a sum of consecutive naturals, for example, 65017 + ... + 67033.

Almost surely, 2^133172425 is an apocalyptic number.

It is an amenable number.

133172425 is a deficient number, since it is larger than the sum of its proper divisors (41989975).

133172425 is a wasteful number, since it uses less digits than its factorization.

133172425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2180 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 133172425 is about 11540.0357451786. The cubic root of 133172425 is about 510.6673629139.

The spelling of 133172425 in words is "one hundred thirty-three million, one hundred seventy-two thousand, four hundred twenty-five".