16271413 has 4 divisors (see below), whose sum is σ = 16280460. Its totient is φ = 16262368.

The previous prime is 16271347. The next prime is 16271443. The reversal of 16271413 is 31417261.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31417261 = 1319 ⋅23819.

It can be written as a sum of positive squares in 2 ways, for example, as 11785489 + 4485924 = 3433^2 + 2118^2 .

It is a cyclic number.

It is not a de Polignac number, because 16271413 - 2⁹ = 16270901 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 (16271443) 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, 808 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (4070115).

Almost surely, 2^16271413 is an apocalyptic number.

It is an amenable number.

16271413 is a deficient number, since it is larger than the sum of its proper divisors (9047).

16271413 is an equidigital number, since it uses as much as digits as its factorization.

16271413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046.

The product of its digits is 1008, while the sum is 25.

The square root of 16271413 is about 4033.7839555435. The cubic root of 16271413 is about 253.4010574168.

Adding to 16271413 its reverse (31417261), we get a palindrome (47688674).

The spelling of 16271413 in words is "sixteen million, two hundred seventy-one thousand, four hundred thirteen".