421314253 has 4 divisors (see below), whose sum is σ = 439632288. Its totient is φ = 402996220.

The previous prime is 421314217. The next prime is 421314263. The reversal of 421314253 is 352413124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421314253 - 2²¹ = 419217101 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 (421314203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9158983 + ... + 9159028.

It is an arithmetic number, because the mean of its divisors is an integer number (109908072).

Almost surely, 2^421314253 is an apocalyptic number.

It is an amenable number.

421314253 is a deficient number, since it is larger than the sum of its proper divisors (18318035).

421314253 is a wasteful number, since it uses less digits than its factorization.

421314253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318034.

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

The square root of 421314253 is about 20525.9409772122. The cubic root of 421314253 is about 749.6675581465.

Adding to 421314253 its reverse (352413124), we get a palindrome (773727377).

The spelling of 421314253 in words is "four hundred twenty-one million, three hundred fourteen thousand, two hundred fifty-three".