133233271 has 2 divisors, whose sum is σ = 133233272. Its totient is φ = 133233270.

The previous prime is 133233239. The next prime is 133233299. The reversal of 133233271 is 172332331.

It is a strong prime.

It is an emirp because it is prime and its reverse (172332331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133233271 - 2⁵ = 133233239 is a prime.

It is a super-2 number, since 2×133233271² = 35502209002718882, which contains 22 as substring.

It is equal to p_7551052 and since 133233271 and 7551052 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133231271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66616635 + 66616636.

It is an arithmetic number, because the mean of its divisors is an integer number (66616636).

Almost surely, 2^133233271 is an apocalyptic number.

133233271 is a deficient number, since it is larger than the sum of its proper divisors (1).

133233271 is an equidigital number, since it uses as much as digits as its factorization.

133233271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 25.

The square root of 133233271 is about 11542.6717444446. The cubic root of 133233271 is about 510.7451250966.

The spelling of 133233271 in words is "one hundred thirty-three million, two hundred thirty-three thousand, two hundred seventy-one".