425678263 has 2 divisors, whose sum is σ = 425678264. Its totient is φ = 425678262.

The previous prime is 425678251. The next prime is 425678321. The reversal of 425678263 is 362876524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425678263 - 2⁹ = 425677751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425678063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212839131 + 212839132.

It is an arithmetic number, because the mean of its divisors is an integer number (212839132).

Almost surely, 2^425678263 is an apocalyptic number.

425678263 is a deficient number, since it is larger than the sum of its proper divisors (1).

425678263 is an equidigital number, since it uses as much as digits as its factorization.

425678263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The square root of 425678263 is about 20631.9718640754. The cubic root of 425678263 is about 752.2470464676.

The spelling of 425678263 in words is "four hundred twenty-five million, six hundred seventy-eight thousand, two hundred sixty-three".