133522025 has 48 divisors (see below), whose sum is σ = 214569600. Its totient is φ = 80040960.

The previous prime is 133522021. The next prime is 133522027. The reversal of 133522025 is 520225331.

It is not a de Polignac number, because 133522025 - 2² = 133522021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133522021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41681 + ... + 44769.

It is an arithmetic number, because the mean of its divisors is an integer number (4470200).

Almost surely, 2^133522025 is an apocalyptic number.

It is an amenable number.

133522025 is a deficient number, since it is larger than the sum of its proper divisors (81047575).

133522025 is a wasteful number, since it uses less digits than its factorization.

133522025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 133522025 is about 11555.1730839482. The cubic root of 133522025 is about 511.1138350079.

Adding to 133522025 its reverse (520225331), we get a palindrome (653747356).

The spelling of 133522025 in words is "one hundred thirty-three million, five hundred twenty-two thousand, twenty-five".