418525441 has 2 divisors, whose sum is σ = 418525442. Its totient is φ = 418525440.

The previous prime is 418525439. The next prime is 418525501. The reversal of 418525441 is 144525814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276224400 + 142301041 = 16620^2 + 11929^2 .

It is a cyclic number.

It is not a de Polignac number, because 418525441 - 2¹ = 418525439 is a prime.

Together with 418525439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 418525397 and 418525406.

It is not a weakly prime, because it can be changed into another prime (418525421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209262720 + 209262721.

It is an arithmetic number, because the mean of its divisors is an integer number (209262721).

Almost surely, 2^418525441 is an apocalyptic number.

It is an amenable number.

418525441 is a deficient number, since it is larger than the sum of its proper divisors (1).

418525441 is an equidigital number, since it uses as much as digits as its factorization.

418525441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25600, while the sum is 34.

The square root of 418525441 is about 20457.8943442379. The cubic root of 418525441 is about 748.0097996228.

The spelling of 418525441 in words is "four hundred eighteen million, five hundred twenty-five thousand, four hundred forty-one".