424445117 has 4 divisors (see below), whose sum is σ = 429817920. Its totient is φ = 419072316.

The previous prime is 424445111. The next prime is 424445129. The reversal of 424445117 is 711544424.

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 424445117 - 2⁶ = 424445053 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 (424445111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686283 + ... + 2686440.

It is an arithmetic number, because the mean of its divisors is an integer number (107454480).

Almost surely, 2^424445117 is an apocalyptic number.

It is an amenable number.

424445117 is a deficient number, since it is larger than the sum of its proper divisors (5372803).

424445117 is an equidigital number, since it uses as much as digits as its factorization.

424445117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372802.

The product of its digits is 17920, while the sum is 32.

The square root of 424445117 is about 20602.0658430168. The cubic root of 424445117 is about 751.5199498852.

The spelling of 424445117 in words is "four hundred twenty-four million, four hundred forty-five thousand, one hundred seventeen".