421275067 has 4 divisors (see below), whose sum is σ = 421322616. Its totient is φ = 421227520.

The previous prime is 421275059. The next prime is 421275073. The reversal of 421275067 is 760572124.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 421275067 - 2³ = 421275059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421275017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6109 + ... + 29662.

It is an arithmetic number, because the mean of its divisors is an integer number (105330654).

Almost surely, 2^421275067 is an apocalyptic number.

421275067 is a deficient number, since it is larger than the sum of its proper divisors (47549).

421275067 is a wasteful number, since it uses less digits than its factorization.

421275067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47548.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 421275067 is about 20524.9864068164. The cubic root of 421275067 is about 749.6443154929.

The spelling of 421275067 in words is "four hundred twenty-one million, two hundred seventy-five thousand, sixty-seven".