133024261 has 2 divisors, whose sum is σ = 133024262. Its totient is φ = 133024260.

The previous prime is 133024259. The next prime is 133024273. The reversal of 133024261 is 162420331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123988225 + 9036036 = 11135^2 + 3006^2 .

It is a cyclic number.

It is not a de Polignac number, because 133024261 - 2¹ = 133024259 is a prime.

It is a super-2 number, since 2×133024261² = 35390908029192242, which contains 22 as substring.

Together with 133024259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133024231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66512130 + 66512131.

It is an arithmetic number, because the mean of its divisors is an integer number (66512131).

Almost surely, 2^133024261 is an apocalyptic number.

It is an amenable number.

133024261 is a deficient number, since it is larger than the sum of its proper divisors (1).

133024261 is an equidigital number, since it uses as much as digits as its factorization.

133024261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 133024261 is about 11533.6143944559. The cubic root of 133024261 is about 510.4779077857.

Adding to 133024261 its reverse (162420331), we get a palindrome (295444592).

The spelling of 133024261 in words is "one hundred thirty-three million, twenty-four thousand, two hundred sixty-one".