418506241 has 2 divisors, whose sum is σ = 418506242. Its totient is φ = 418506240.

The previous prime is 418506233. The next prime is 418506247. The reversal of 418506241 is 142605814.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221384641 + 197121600 = 14879^2 + 14040^2 .

It is a cyclic number.

It is not a de Polignac number, because 418506241 - 2³ = 418506233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (418506247) 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, 209253120 + 209253121.

It is an arithmetic number, because the mean of its divisors is an integer number (209253121).

Almost surely, 2^418506241 is an apocalyptic number.

It is an amenable number.

418506241 is a deficient number, since it is larger than the sum of its proper divisors (1).

418506241 is an equidigital number, since it uses as much as digits as its factorization.

418506241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 418506241 is about 20457.4250823509. The cubic root of 418506241 is about 747.9983610448.

The spelling of 418506241 in words is "four hundred eighteen million, five hundred six thousand, two hundred forty-one".