420512467 has 4 divisors (see below), whose sum is σ = 427406176. Its totient is φ = 413618760.

The previous prime is 420512447. The next prime is 420512479. The reversal of 420512467 is 764215024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420512467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420512447) 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 in 3 ways as a sum of consecutive naturals, for example, 3446763 + ... + 3446884.

It is an arithmetic number, because the mean of its divisors is an integer number (106851544).

Almost surely, 2^420512467 is an apocalyptic number.

420512467 is a deficient number, since it is larger than the sum of its proper divisors (6893709).

420512467 is an equidigital number, since it uses as much as digits as its factorization.

420512467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6893708.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 420512467 is about 20506.4006349237. The cubic root of 420512467 is about 749.1917022229.

The spelling of 420512467 in words is "four hundred twenty million, five hundred twelve thousand, four hundred sixty-seven".