424604321 has 2 divisors, whose sum is σ = 424604322. Its totient is φ = 424604320.

The previous prime is 424604309. The next prime is 424604351. The reversal of 424604321 is 123406424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422754721 + 1849600 = 20561^2 + 1360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424604321 is a prime.

It is not a weakly prime, because it can be changed into another prime (424604351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212302160 + 212302161.

It is an arithmetic number, because the mean of its divisors is an integer number (212302161).

Almost surely, 2^424604321 is an apocalyptic number.

It is an amenable number.

424604321 is a deficient number, since it is larger than the sum of its proper divisors (1).

424604321 is an equidigital number, since it uses as much as digits as its factorization.

424604321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 424604321 is about 20605.9292680529. The cubic root of 424604321 is about 751.6139000186.

The spelling of 424604321 in words is "four hundred twenty-four million, six hundred four thousand, three hundred twenty-one".