425044241 has 2 divisors, whose sum is σ = 425044242. Its totient is φ = 425044240.

The previous prime is 425044237. The next prime is 425044247. The reversal of 425044241 is 142440524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388090000 + 36954241 = 19700^2 + 6079^2 .

It is a cyclic number.

It is not a de Polignac number, because 425044241 - 2² = 425044237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425044241.

It is not a weakly prime, because it can be changed into another prime (425044247) 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, 212522120 + 212522121.

It is an arithmetic number, because the mean of its divisors is an integer number (212522121).

Almost surely, 2^425044241 is an apocalyptic number.

It is an amenable number.

425044241 is a deficient number, since it is larger than the sum of its proper divisors (1).

425044241 is an equidigital number, since it uses as much as digits as its factorization.

425044241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 425044241 is about 20616.6011020246. The cubic root of 425044241 is about 751.8733854140.

Adding to 425044241 its reverse (142440524), we get a palindrome (567484765).

The spelling of 425044241 in words is "four hundred twenty-five million, forty-four thousand, two hundred forty-one".