321424053 has 4 divisors (see below), whose sum is σ = 428565408. Its totient is φ = 214282700.

The previous prime is 321424039. The next prime is 321424079. The reversal of 321424053 is 350424123.

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 321424053 - 2⁵ = 321424021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321424003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53570673 + ... + 53570678.

It is an arithmetic number, because the mean of its divisors is an integer number (107141352).

Almost surely, 2^321424053 is an apocalyptic number.

It is an amenable number.

321424053 is a deficient number, since it is larger than the sum of its proper divisors (107141355).

321424053 is a wasteful number, since it uses less digits than its factorization.

321424053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107141354.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 321424053 is about 17928.3031266208. The cubic root of 321424053 is about 685.0035007902.

Adding to 321424053 its reverse (350424123), we get a palindrome (671848176).

The spelling of 321424053 in words is "three hundred twenty-one million, four hundred twenty-four thousand, fifty-three".