16424413 has 4 divisors (see below), whose sum is σ = 16440928. Its totient is φ = 16407900.

The previous prime is 16424407. The next prime is 16424423. The reversal of 16424413 is 31442461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31442461 = 577 ⋅54493.

It is a cyclic number.

It is not a de Polignac number, because 16424413 - 2¹³ = 16416221 is a prime.

It is a super-2 number, since 2×16424413² = 539522684789138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16424423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6663 + ... + 8788.

It is an arithmetic number, because the mean of its divisors is an integer number (4110232).

Almost surely, 2^16424413 is an apocalyptic number.

It is an amenable number.

16424413 is a deficient number, since it is larger than the sum of its proper divisors (16515).

16424413 is a wasteful number, since it uses less digits than its factorization.

16424413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16514.

The product of its digits is 2304, while the sum is 25.

The square root of 16424413 is about 4052.7044057024. The cubic root of 16424413 is about 254.1928238003.

Adding to 16424413 its reverse (31442461), we get a palindrome (47866874).

The spelling of 16424413 in words is "sixteen million, four hundred twenty-four thousand, four hundred thirteen".