133024417 has 2 divisors, whose sum is σ = 133024418. Its totient is φ = 133024416.

The previous prime is 133024403. The next prime is 133024427. The reversal of 133024417 is 714420331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132802576 + 221841 = 11524^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 133024417 - 2²³ = 124635809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133024391 and 133024400.

It is not a weakly prime, because it can be changed into another prime (133024427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66512208 + 66512209.

It is an arithmetic number, because the mean of its divisors is an integer number (66512209).

Almost surely, 2^133024417 is an apocalyptic number.

It is an amenable number.

133024417 is a deficient number, since it is larger than the sum of its proper divisors (1).

133024417 is an equidigital number, since it uses as much as digits as its factorization.

133024417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 133024417 is about 11533.6211572949. The cubic root of 133024417 is about 510.4781073346.

Adding to 133024417 its reverse (714420331), we get a palindrome (847444748).

The spelling of 133024417 in words is "one hundred thirty-three million, twenty-four thousand, four hundred seventeen".