421461055 has 4 divisors (see below), whose sum is σ = 505753272. Its totient is φ = 337168840.

The previous prime is 421461037. The next prime is 421461067. The reversal of 421461055 is 550164124.

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

It is not a de Polignac number, because 421461055 - 2¹⁹ = 420936767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42146101 + ... + 42146110.

It is an arithmetic number, because the mean of its divisors is an integer number (126438318).

Almost surely, 2^421461055 is an apocalyptic number.

421461055 is a deficient number, since it is larger than the sum of its proper divisors (84292217).

421461055 is an equidigital number, since it uses as much as digits as its factorization.

421461055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84292216.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 421461055 is about 20529.5166772138. The cubic root of 421461055 is about 749.7546189856.

The spelling of 421461055 in words is "four hundred twenty-one million, four hundred sixty-one thousand, fifty-five".