425916479 has 2 divisors, whose sum is σ = 425916480. Its totient is φ = 425916478.

The previous prime is 425916473. The next prime is 425916481. The reversal of 425916479 is 974619524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425916479 is a prime.

Together with 425916481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425916473) 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, 212958239 + 212958240.

It is an arithmetic number, because the mean of its divisors is an integer number (212958240).

Almost surely, 2^425916479 is an apocalyptic number.

425916479 is a deficient number, since it is larger than the sum of its proper divisors (1).

425916479 is an equidigital number, since it uses as much as digits as its factorization.

425916479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 425916479 is about 20637.7440385329. The cubic root of 425916479 is about 752.3873432451.

The spelling of 425916479 in words is "four hundred twenty-five million, nine hundred sixteen thousand, four hundred seventy-nine".