133525201 has 4 divisors (see below), whose sum is σ = 135788400. Its totient is φ = 131262004.

The previous prime is 133525177. The next prime is 133525211. The reversal of 133525201 is 102525331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133525201 - 2⁵ = 133525169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133525211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131511 + ... + 1131628.

It is an arithmetic number, because the mean of its divisors is an integer number (33947100).

Almost surely, 2^133525201 is an apocalyptic number.

It is an amenable number.

133525201 is a deficient number, since it is larger than the sum of its proper divisors (2263199).

133525201 is an equidigital number, since it uses as much as digits as its factorization.

133525201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263198.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 133525201 is about 11555.3105107565. The cubic root of 133525201 is about 511.1178874845.

The spelling of 133525201 in words is "one hundred thirty-three million, five hundred twenty-five thousand, two hundred one".