133500525 has 12 divisors (see below), whose sum is σ = 220720992. Its totient is φ = 71200240.

The previous prime is 133500503. The next prime is 133500553. The reversal of 133500525 is 525005331.

It is not a de Polignac number, because 133500525 - 2¹⁰ = 133499501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133500495 and 133500504.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 889929 + ... + 890078.

It is an arithmetic number, because the mean of its divisors is an integer number (18393416).

Almost surely, 2^133500525 is an apocalyptic number.

133500525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133500525 is a deficient number, since it is larger than the sum of its proper divisors (87220467).

133500525 is a wasteful number, since it uses less digits than its factorization.

133500525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780020 (or 1780015 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 133500525 is about 11554.2427272409. The cubic root of 133500525 is about 511.0863999903.

Adding to 133500525 its reverse (525005331), we get a palindrome (658505856).

The spelling of 133500525 in words is "one hundred thirty-three million, five hundred thousand, five hundred twenty-five".