421350005 has 16 divisors (see below), whose sum is σ = 510787200. Its totient is φ = 333650880.

The previous prime is 421350001. The next prime is 421350029. The reversal of 421350005 is 500053124.

It is not a de Polignac number, because 421350005 - 2² = 421350001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421350001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304415 + ... + 305795.

It is an arithmetic number, because the mean of its divisors is an integer number (31924200).

Almost surely, 2^421350005 is an apocalyptic number.

It is an amenable number.

421350005 is a deficient number, since it is larger than the sum of its proper divisors (89437195).

421350005 is a wasteful number, since it uses less digits than its factorization.

421350005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 421350005 is about 20526.8118566912. The cubic root of 421350005 is about 749.6887627115.

The spelling of 421350005 in words is "four hundred twenty-one million, three hundred fifty thousand, five".