424425541 has 2 divisors, whose sum is σ = 424425542. Its totient is φ = 424425540.

The previous prime is 424425539. The next prime is 424425581. The reversal of 424425541 is 145524424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358344900 + 66080641 = 18930^2 + 8129^2 .

It is a cyclic number.

It is not a de Polignac number, because 424425541 - 2¹ = 424425539 is a prime.

Together with 424425539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424425581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212212770 + 212212771.

It is an arithmetic number, because the mean of its divisors is an integer number (212212771).

Almost surely, 2^424425541 is an apocalyptic number.

It is an amenable number.

424425541 is a deficient number, since it is larger than the sum of its proper divisors (1).

424425541 is an equidigital number, since it uses as much as digits as its factorization.

424425541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25600, while the sum is 31.

The square root of 424425541 is about 20601.5907395521. The cubic root of 424425541 is about 751.5083959920.

Adding to 424425541 its reverse (145524424), we get a palindrome (569949965).

The spelling of 424425541 in words is "four hundred twenty-four million, four hundred twenty-five thousand, five hundred forty-one".