424205329 has 2 divisors, whose sum is σ = 424205330. Its totient is φ = 424205328.

The previous prime is 424205321. The next prime is 424205351. The reversal of 424205329 is 923502424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422097025 + 2108304 = 20545^2 + 1452^2 .

It is a cyclic number.

It is not a de Polignac number, because 424205329 - 2³ = 424205321 is a prime.

It is a super-2 number, since 2×424205329² = 359900322303996482, which contains 22 as substring.

It is equal to p_22556362 and since 424205329 and 22556362 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424205329.

It is not a weakly prime, because it can be changed into another prime (424205321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212102664 + 212102665.

It is an arithmetic number, because the mean of its divisors is an integer number (212102665).

Almost surely, 2^424205329 is an apocalyptic number.

It is an amenable number.

424205329 is a deficient number, since it is larger than the sum of its proper divisors (1).

424205329 is an equidigital number, since it uses as much as digits as its factorization.

424205329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 424205329 is about 20596.2455073734. The cubic root of 424205329 is about 751.3784008333.

The spelling of 424205329 in words is "four hundred twenty-four million, two hundred five thousand, three hundred twenty-nine".