424322509 has 8 divisors (see below), whose sum is σ = 462748160. Its totient is φ = 386723376.

The previous prime is 424322473. The next prime is 424322597. The reversal of 424322509 is 905223424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 424322509 - 2¹¹ = 424320461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424322309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205557 + ... + 207610.

It is an arithmetic number, because the mean of its divisors is an integer number (57843520).

Almost surely, 2^424322509 is an apocalyptic number.

It is an amenable number.

424322509 is a deficient number, since it is larger than the sum of its proper divisors (38425651).

424322509 is a wasteful number, since it uses less digits than its factorization.

424322509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413259.

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

The square root of 424322509 is about 20599.0900041725. The cubic root of 424322509 is about 751.4475799226.

The spelling of 424322509 in words is "four hundred twenty-four million, three hundred twenty-two thousand, five hundred nine".