424628305 has 4 divisors (see below), whose sum is σ = 509553972. Its totient is φ = 339702640.

The previous prime is 424628279. The next prime is 424628333. The reversal of 424628305 is 503826424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104611984 + 320016321 = 10228^2 + 17889^2 .

It is not a de Polignac number, because 424628305 - 2⁵ = 424628273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 42462826 + ... + 42462835.

It is an arithmetic number, because the mean of its divisors is an integer number (127388493).

Almost surely, 2^424628305 is an apocalyptic number.

It is an amenable number.

424628305 is a deficient number, since it is larger than the sum of its proper divisors (84925667).

424628305 is an equidigital number, since it uses as much as digits as its factorization.

424628305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84925666.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 424628305 is about 20606.5112282502. The cubic root of 424628305 is about 751.6280515220.

The spelling of 424628305 in words is "four hundred twenty-four million, six hundred twenty-eight thousand, three hundred five".