420114281 has 2 divisors, whose sum is σ = 420114282. Its totient is φ = 420114280.

The previous prime is 420114269. The next prime is 420114311. The reversal of 420114281 is 182411024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388090000 + 32024281 = 19700^2 + 5659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420114281 is a prime.

It is a super-2 number, since 2×420114281² = 352992018200293922, which contains 22 as substring.

It is a Chen prime.

It is equal to p_22350218 and since 420114281 and 22350218 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (420114181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210057140 + 210057141.

It is an arithmetic number, because the mean of its divisors is an integer number (210057141).

Almost surely, 2^420114281 is an apocalyptic number.

It is an amenable number.

420114281 is a deficient number, since it is larger than the sum of its proper divisors (1).

420114281 is an equidigital number, since it uses as much as digits as its factorization.

420114281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 420114281 is about 20496.6895131872. The cubic root of 420114281 is about 748.9551560404.

The spelling of 420114281 in words is "four hundred twenty million, one hundred fourteen thousand, two hundred eighty-one".