421053897 has 8 divisors (see below), whose sum is σ = 612442080. Its totient is φ = 255184160.

The previous prime is 421053883. The next prime is 421053907. The reversal of 421053897 is 798350124.

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

It is not a de Polignac number, because 421053897 - 2¹⁰ = 421052873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421053397) 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, 6379572 + ... + 6379637.

It is an arithmetic number, because the mean of its divisors is an integer number (76555260).

Almost surely, 2^421053897 is an apocalyptic number.

It is an amenable number.

421053897 is a deficient number, since it is larger than the sum of its proper divisors (191388183).

421053897 is a wasteful number, since it uses less digits than its factorization.

421053897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12759223.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 421053897 is about 20519.5978761768. The cubic root of 421053897 is about 749.5131044231.

The spelling of 421053897 in words is "four hundred twenty-one million, fifty-three thousand, eight hundred ninety-seven".