425916163 has 2 divisors, whose sum is σ = 425916164. Its totient is φ = 425916162.

The previous prime is 425916151. The next prime is 425916173. The reversal of 425916163 is 361619524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425916163 - 2⁵ = 425916131 is a prime.

It is not a weakly prime, because it can be changed into another prime (425916133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212958081 + 212958082.

It is an arithmetic number, because the mean of its divisors is an integer number (212958082).

Almost surely, 2^425916163 is an apocalyptic number.

425916163 is a deficient number, since it is larger than the sum of its proper divisors (1).

425916163 is an equidigital number, since it uses as much as digits as its factorization.

425916163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 425916163 is about 20637.7363826559. The cubic root of 425916163 is about 752.3871571722.

The spelling of 425916163 in words is "four hundred twenty-five million, nine hundred sixteen thousand, one hundred sixty-three".