424315409 has 4 divisors (see below), whose sum is σ = 484931904. Its totient is φ = 363698916.

The previous prime is 424315379. The next prime is 424315447. The reversal of 424315409 is 904513424.

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 de Polignac number, because none of the positive numbers 2^k-424315409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424315469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30308237 + ... + 30308250.

It is an arithmetic number, because the mean of its divisors is an integer number (121232976).

Almost surely, 2^424315409 is an apocalyptic number.

It is an amenable number.

424315409 is a deficient number, since it is larger than the sum of its proper divisors (60616495).

424315409 is an equidigital number, since it uses as much as digits as its factorization.

424315409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60616494.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 424315409 is about 20598.9176657416. The cubic root of 424315409 is about 751.4433886864.

The spelling of 424315409 in words is "four hundred twenty-four million, three hundred fifteen thousand, four hundred nine".