133052287 has 2 divisors, whose sum is σ = 133052288. Its totient is φ = 133052286.

The previous prime is 133052273. The next prime is 133052317. The reversal of 133052287 is 782250331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133052287 - 2¹⁵ = 133019519 is a prime.

It is a super-2 number, since 2×133052287² = 35405822151860738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133052587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66526143 + 66526144.

It is an arithmetic number, because the mean of its divisors is an integer number (66526144).

Almost surely, 2^133052287 is an apocalyptic number.

133052287 is a deficient number, since it is larger than the sum of its proper divisors (1).

133052287 is an equidigital number, since it uses as much as digits as its factorization.

133052287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 133052287 is about 11534.8293008609. The cubic root of 133052287 is about 510.5137550042.

The spelling of 133052287 in words is "one hundred thirty-three million, fifty-two thousand, two hundred eighty-seven".