421652203 has 6 divisors (see below), whose sum is σ = 490493436. Its totient is φ = 361416132.

The previous prime is 421652197. The next prime is 421652213. The reversal of 421652203 is 302256124.

It is not a de Polignac number, because 421652203 - 2⁹ = 421651691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421652213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4302525 + ... + 4302622.

It is an arithmetic number, because the mean of its divisors is an integer number (81748906).

Almost surely, 2^421652203 is an apocalyptic number.

421652203 is a deficient number, since it is larger than the sum of its proper divisors (68841233).

421652203 is an equidigital number, since it uses as much as digits as its factorization.

421652203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8605161 (or 8605154 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 421652203 is about 20534.1715927378. The cubic root of 421652203 is about 749.8679488995.

The spelling of 421652203 in words is "four hundred twenty-one million, six hundred fifty-two thousand, two hundred three".