133306525 has 12 divisors (see below), whose sum is σ = 180327744. Its totient is φ = 96950000.

The previous prime is 133306519. The next prime is 133306531. The reversal of 133306525 is 525603331.

It is an interprime number because it is at equal distance from previous prime (133306519) and next prime (133306531).

It is not a de Polignac number, because 133306525 - 2¹¹ = 133304477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133306493 and 133306502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242101 + ... + 242650.

It is an arithmetic number, because the mean of its divisors is an integer number (15027312).

Almost surely, 2^133306525 is an apocalyptic number.

It is an amenable number.

133306525 is a deficient number, since it is larger than the sum of its proper divisors (47021219).

133306525 is a wasteful number, since it uses less digits than its factorization.

133306525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484772 (or 484767 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 133306525 is about 11545.8444905516. The cubic root of 133306525 is about 510.8387135029.

Adding to 133306525 its reverse (525603331), we get a palindrome (658909856).

The spelling of 133306525 in words is "one hundred thirty-three million, three hundred six thousand, five hundred twenty-five".