425171267 has 2 divisors, whose sum is σ = 425171268. Its totient is φ = 425171266.

The previous prime is 425171251. The next prime is 425171269. The reversal of 425171267 is 762171524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425171267 - 2⁴ = 425171251 is a prime.

Together with 425171269, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425171269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212585633 + 212585634.

It is an arithmetic number, because the mean of its divisors is an integer number (212585634).

Almost surely, 2^425171267 is an apocalyptic number.

425171267 is a deficient number, since it is larger than the sum of its proper divisors (1).

425171267 is an equidigital number, since it uses as much as digits as its factorization.

425171267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 425171267 is about 20619.6815445826. The cubic root of 425171267 is about 751.9482779756.

The spelling of 425171267 in words is "four hundred twenty-five million, one hundred seventy-one thousand, two hundred sixty-seven".