421255675 has 6 divisors (see below), whose sum is σ = 522357068. Its totient is φ = 337004520.

The previous prime is 421255673. The next prime is 421255717. The reversal of 421255675 is 576552124.

It is not a de Polignac number, because 421255675 - 2¹ = 421255673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421255673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8425089 + ... + 8425138.

Almost surely, 2^421255675 is an apocalyptic number.

421255675 is a deficient number, since it is larger than the sum of its proper divisors (101101393).

421255675 is a wasteful number, since it uses less digits than its factorization.

421255675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16850237 (or 16850232 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 421255675 is about 20524.5140015543. The cubic root of 421255675 is about 749.6328128534.

The spelling of 421255675 in words is "four hundred twenty-one million, two hundred fifty-five thousand, six hundred seventy-five".