420563467 has 2 divisors, whose sum is σ = 420563468. Its totient is φ = 420563466.

The previous prime is 420563431. The next prime is 420563501. The reversal of 420563467 is 764365024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420563467 is a prime.

It is a Chen prime.

It is equal to p_22372876 and since 420563467 and 22372876 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 (420567467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210281733 + 210281734.

It is an arithmetic number, because the mean of its divisors is an integer number (210281734).

Almost surely, 2^420563467 is an apocalyptic number.

420563467 is a deficient number, since it is larger than the sum of its proper divisors (1).

420563467 is an equidigital number, since it uses as much as digits as its factorization.

420563467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 420563467 is about 20507.6441114039. The cubic root of 420563467 is about 749.2219884691.

The spelling of 420563467 in words is "four hundred twenty million, five hundred sixty-three thousand, four hundred sixty-seven".