421161303 has 16 divisors (see below), whose sum is σ = 589049856. Its totient is φ = 267152160.

The previous prime is 421161289. The next prime is 421161311. The reversal of 421161303 is 303161124.

It is not a de Polignac number, because 421161303 - 2⁵ = 421161271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 421161303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421161203) 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, 2800 + ... + 29157.

It is an arithmetic number, because the mean of its divisors is an integer number (36815616).

Almost surely, 2^421161303 is an apocalyptic number.

421161303 is a deficient number, since it is larger than the sum of its proper divisors (167888553).

421161303 is a wasteful number, since it uses less digits than its factorization.

421161303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32174.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 421161303 is about 20522.2148658472. The cubic root of 421161303 is about 749.5768297252.

The spelling of 421161303 in words is "four hundred twenty-one million, one hundred sixty-one thousand, three hundred three".