420082471 has 2 divisors, whose sum is σ = 420082472. Its totient is φ = 420082470.

The previous prime is 420082469. The next prime is 420082543. The reversal of 420082471 is 174280024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420082471 - 2¹ = 420082469 is a prime.

It is a super-3 number, since 3×420082471³ (a number of 27 digits) contains 333 as substring.

Together with 420082469, 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 (420082451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210041235 + 210041236.

It is an arithmetic number, because the mean of its divisors is an integer number (210041236).

Almost surely, 2^420082471 is an apocalyptic number.

420082471 is a deficient number, since it is larger than the sum of its proper divisors (1).

420082471 is an equidigital number, since it uses as much as digits as its factorization.

420082471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 420082471 is about 20495.9135195287. The cubic root of 420082471 is about 748.9362525611.

The spelling of 420082471 in words is "four hundred twenty million, eighty-two thousand, four hundred seventy-one".