425420063 has 2 divisors, whose sum is σ = 425420064. Its totient is φ = 425420062.

The previous prime is 425419993. The next prime is 425420071. The reversal of 425420063 is 360024524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425420063 - 2⁸ = 425419807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425420263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212710031 + 212710032.

It is an arithmetic number, because the mean of its divisors is an integer number (212710032).

Almost surely, 2^425420063 is an apocalyptic number.

425420063 is a deficient number, since it is larger than the sum of its proper divisors (1).

425420063 is an equidigital number, since it uses as much as digits as its factorization.

425420063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 425420063 is about 20625.7136361388. The cubic root of 425420063 is about 752.0949210336.

Adding to 425420063 its reverse (360024524), we get a palindrome (785444587).

The spelling of 425420063 in words is "four hundred twenty-five million, four hundred twenty thousand, sixty-three".