424545217 has 4 divisors (see below), whose sum is σ = 438240256. Its totient is φ = 410850180.

The previous prime is 424545203. The next prime is 424545223. The reversal of 424545217 is 712545424.

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 not a de Polignac number, because 424545217 - 2¹¹ = 424543169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424545227) by changing a digit.

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, 6847473 + ... + 6847534.

It is an arithmetic number, because the mean of its divisors is an integer number (109560064).

Almost surely, 2^424545217 is an apocalyptic number.

It is an amenable number.

424545217 is a deficient number, since it is larger than the sum of its proper divisors (13695039).

424545217 is a wasteful number, since it uses less digits than its factorization.

424545217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13695038.

The product of its digits is 44800, while the sum is 34.

The square root of 424545217 is about 20604.4950678244. The cubic root of 424545217 is about 751.5790240591.

The spelling of 424545217 in words is "four hundred twenty-four million, five hundred forty-five thousand, two hundred seventeen".