425075663 has 2 divisors, whose sum is σ = 425075664. Its totient is φ = 425075662.

The previous prime is 425075593. The next prime is 425075669. The reversal of 425075663 is 366570524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425075663 - 2⁸ = 425075407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425075669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212537831 + 212537832.

It is an arithmetic number, because the mean of its divisors is an integer number (212537832).

Almost surely, 2^425075663 is an apocalyptic number.

425075663 is a deficient number, since it is larger than the sum of its proper divisors (1).

425075663 is an equidigital number, since it uses as much as digits as its factorization.

425075663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 425075663 is about 20617.3631437194. The cubic root of 425075663 is about 751.8919127273.

It can be divided in two parts, 42 and 5075663, that added together give a palindrome (5075705).

The spelling of 425075663 in words is "four hundred twenty-five million, seventy-five thousand, six hundred sixty-three".