421175481 has 8 divisors (see below), whose sum is σ = 562685760. Its totient is φ = 280224432.

The previous prime is 421175473. The next prime is 421175509. The reversal of 421175481 is 184571124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421175481 - 2³ = 421175473 is a prime.

It is a super-2 number, since 2×421175481² = 354777571591162722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421175441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138046 + ... + 141063.

It is an arithmetic number, because the mean of its divisors is an integer number (70335720).

Almost surely, 2^421175481 is an apocalyptic number.

It is an amenable number.

421175481 is a deficient number, since it is larger than the sum of its proper divisors (141510279).

421175481 is a wasteful number, since it uses less digits than its factorization.

421175481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279615.

The product of its digits is 8960, while the sum is 33.

The square root of 421175481 is about 20522.5602934916. The cubic root of 421175481 is about 749.5852408977.

The spelling of 421175481 in words is "four hundred twenty-one million, one hundred seventy-five thousand, four hundred eighty-one".