133302517 has 2 divisors, whose sum is σ = 133302518. Its totient is φ = 133302516.

The previous prime is 133302443. The next prime is 133302557. The reversal of 133302517 is 715203331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133033156 + 269361 = 11534^2 + 519^2 .

It is a cyclic number.

It is not a de Polignac number, because 133302517 - 2¹⁹ = 132778229 is a prime.

It is a super-2 number, since 2×133302517² = 35539122077070578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133302491 and 133302500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133302557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66651258 + 66651259.

It is an arithmetic number, because the mean of its divisors is an integer number (66651259).

Almost surely, 2^133302517 is an apocalyptic number.

It is an amenable number.

133302517 is a deficient number, since it is larger than the sum of its proper divisors (1).

133302517 is an equidigital number, since it uses as much as digits as its factorization.

133302517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 133302517 is about 11545.6709203060. The cubic root of 133302517 is about 510.8335938183.

Adding to 133302517 its reverse (715203331), we get a palindrome (848505848).

The spelling of 133302517 in words is "one hundred thirty-three million, three hundred two thousand, five hundred seventeen".