424034321 has 2 divisors, whose sum is σ = 424034322. Its totient is φ = 424034320.

The previous prime is 424034287. The next prime is 424034327. The reversal of 424034321 is 123430424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356794321 + 67240000 = 18889^2 + 8200^2 .

It is a cyclic number.

It is not a de Polignac number, because 424034321 - 2⁶ = 424034257 is a prime.

It is not a weakly prime, because it can be changed into another prime (424034327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212017160 + 212017161.

It is an arithmetic number, because the mean of its divisors is an integer number (212017161).

Almost surely, 2^424034321 is an apocalyptic number.

It is an amenable number.

424034321 is a deficient number, since it is larger than the sum of its proper divisors (1).

424034321 is an equidigital number, since it uses as much as digits as its factorization.

424034321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 424034321 is about 20592.0936526619. The cubic root of 424034321 is about 751.2774206563.

Adding to 424034321 its reverse (123430424), we get a palindrome (547464745).

The spelling of 424034321 in words is "four hundred twenty-four million, thirty-four thousand, three hundred twenty-one".