420983027 has 2 divisors, whose sum is σ = 420983028. Its totient is φ = 420983026.

The previous prime is 420983009. The next prime is 420983137. The reversal of 420983027 is 720389024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420983027 - 2⁶ = 420982963 is a prime.

It is not a weakly prime, because it can be changed into another prime (420683027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210491513 + 210491514.

It is an arithmetic number, because the mean of its divisors is an integer number (210491514).

Almost surely, 2^420983027 is an apocalyptic number.

420983027 is a deficient number, since it is larger than the sum of its proper divisors (1).

420983027 is an equidigital number, since it uses as much as digits as its factorization.

420983027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 420983027 is about 20517.8709178121. The cubic root of 420983027 is about 749.4710504449.

The spelling of 420983027 in words is "four hundred twenty million, nine hundred eighty-three thousand, twenty-seven".