420984283 has 2 divisors, whose sum is σ = 420984284. Its totient is φ = 420984282.

The previous prime is 420984281. The next prime is 420984359. The reversal of 420984283 is 382489024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420984283 - 2¹ = 420984281 is a prime.

Together with 420984281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (420984281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210492141 + 210492142.

It is an arithmetic number, because the mean of its divisors is an integer number (210492142).

Almost surely, 2^420984283 is an apocalyptic number.

420984283 is a deficient number, since it is larger than the sum of its proper divisors (1).

420984283 is an equidigital number, since it uses as much as digits as its factorization.

420984283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 420984283 is about 20517.9015252535. The cubic root of 420984283 is about 749.4717957915.

The spelling of 420984283 in words is "four hundred twenty million, nine hundred eighty-four thousand, two hundred eighty-three".