421325303 has 4 divisors (see below), whose sum is σ = 481514640. Its totient is φ = 361135968.

The previous prime is 421325287. The next prime is 421325341. The reversal of 421325303 is 303523124.

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

It is a cyclic number.

It is not a de Polignac number, because 421325303 - 2⁴ = 421325287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421355303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30094658 + ... + 30094671.

It is an arithmetic number, because the mean of its divisors is an integer number (120378660).

Almost surely, 2^421325303 is an apocalyptic number.

421325303 is a deficient number, since it is larger than the sum of its proper divisors (60189337).

421325303 is an equidigital number, since it uses as much as digits as its factorization.

421325303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60189336.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 421325303 is about 20526.2101470291. The cubic root of 421325303 is about 749.6741120462.

Adding to 421325303 its reverse (303523124), we get a palindrome (724848427).

The spelling of 421325303 in words is "four hundred twenty-one million, three hundred twenty-five thousand, three hundred three".