424301321 has 4 divisors (see below), whose sum is σ = 424460544. Its totient is φ = 424142100.

The previous prime is 424301261. The next prime is 424301329. The reversal of 424301321 is 123103424.

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 a de Polignac number, because none of the positive numbers 2^k-424301321 is a prime.

It is a super-2 number, since 2×424301321² = 360063222004690082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424301293 and 424301302.

It is not an unprimeable number, because it can be changed into a prime (424301329) 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, 75545 + ... + 80966.

It is an arithmetic number, because the mean of its divisors is an integer number (106115136).

Almost surely, 2^424301321 is an apocalyptic number.

It is an amenable number.

424301321 is a deficient number, since it is larger than the sum of its proper divisors (159223).

424301321 is a wasteful number, since it uses less digits than its factorization.

424301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159222.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 424301321 is about 20598.5757031888. The cubic root of 424301321 is about 751.4350721909.

Adding to 424301321 its reverse (123103424), we get a palindrome (547404745).

The spelling of 424301321 in words is "four hundred twenty-four million, three hundred one thousand, three hundred twenty-one".