425881471 has 2 divisors, whose sum is σ = 425881472. Its totient is φ = 425881470.

The previous prime is 425881459. The next prime is 425881487. The reversal of 425881471 is 174188524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425881471 - 2¹⁷ = 425750399 is a prime.

It is a super-3 number, since 3×425881471³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425891471) 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, 212940735 + 212940736.

It is an arithmetic number, because the mean of its divisors is an integer number (212940736).

Almost surely, 2^425881471 is an apocalyptic number.

425881471 is a deficient number, since it is larger than the sum of its proper divisors (1).

425881471 is an equidigital number, since it uses as much as digits as its factorization.

425881471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71680, while the sum is 40.

The square root of 425881471 is about 20636.8958663846. The cubic root of 425881471 is about 752.3667286417.

The spelling of 425881471 in words is "four hundred twenty-five million, eight hundred eighty-one thousand, four hundred seventy-one".