421036250 has 20 divisors (see below), whose sum is σ = 789192690. Its totient is φ = 168414000.

The previous prime is 421036247. The next prime is 421036261. The reversal of 421036250 is 52630124.

421036250 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 6889 + 421029361 = 83^2 + 20519^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 167165 + ... + 169664.

Almost surely, 2^421036250 is an apocalyptic number.

421036250 is a deficient number, since it is larger than the sum of its proper divisors (368156440).

421036250 is an equidigital number, since it uses as much as digits as its factorization.

421036250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336851 (or 336836 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 421036250 is about 20519.1678681178. The cubic root of 421036250 is about 749.5026332042.

Adding to 421036250 its reverse (52630124), we get a palindrome (473666374).

The spelling of 421036250 in words is "four hundred twenty-one million, thirty-six thousand, two hundred fifty".