133525211 has 2 divisors, whose sum is σ = 133525212. Its totient is φ = 133525210.

The previous prime is 133525177. The next prime is 133525213. The reversal of 133525211 is 112525331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133525211 is a prime.

Together with 133525213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133525213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66762605 + 66762606.

It is an arithmetic number, because the mean of its divisors is an integer number (66762606).

Almost surely, 2^133525211 is an apocalyptic number.

133525211 is a deficient number, since it is larger than the sum of its proper divisors (1).

133525211 is an equidigital number, since it uses as much as digits as its factorization.

133525211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 133525211 is about 11555.3109434580. The cubic root of 133525211 is about 511.1179002441.

The spelling of 133525211 in words is "one hundred thirty-three million, five hundred twenty-five thousand, two hundred eleven".