133524197 has 2 divisors, whose sum is σ = 133524198. Its totient is φ = 133524196.

The previous prime is 133524179. The next prime is 133524203. The reversal of 133524197 is 791425331.

Together with previous prime (133524179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133425601 + 98596 = 11551^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 133524197 - 2¹⁸ = 133262053 is a prime.

It is a super-3 number, since 3×133524197³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133524997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66762098 + 66762099.

It is an arithmetic number, because the mean of its divisors is an integer number (66762099).

Almost surely, 2^133524197 is an apocalyptic number.

It is an amenable number.

133524197 is a deficient number, since it is larger than the sum of its proper divisors (1).

133524197 is an equidigital number, since it uses as much as digits as its factorization.

133524197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 133524197 is about 11555.2670674459. The cubic root of 133524197 is about 511.1166064189.

The spelling of 133524197 in words is "one hundred thirty-three million, five hundred twenty-four thousand, one hundred ninety-seven".