417875149 has 2 divisors, whose sum is σ = 417875150. Its totient is φ = 417875148.

The previous prime is 417875137. The next prime is 417875173. The reversal of 417875149 is 941578714.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415425924 + 2449225 = 20382^2 + 1565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-417875149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 417875099 and 417875108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (417875749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208937574 + 208937575.

It is an arithmetic number, because the mean of its divisors is an integer number (208937575).

Almost surely, 2^417875149 is an apocalyptic number.

It is an amenable number.

417875149 is a deficient number, since it is larger than the sum of its proper divisors (1).

417875149 is an equidigital number, since it uses as much as digits as its factorization.

417875149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 46.

The square root of 417875149 is about 20441.9947412184. The cubic root of 417875149 is about 747.6221872348.

The spelling of 417875149 in words is "four hundred seventeen million, eight hundred seventy-five thousand, one hundred forty-nine".