16234513 has 4 divisors (see below), whose sum is σ = 16261360. Its totient is φ = 16207668.

The previous prime is 16234489. The next prime is 16234523. The reversal of 16234513 is 31543261.

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: 31543261 = 941 ⋅33521.

It is a cyclic number.

It is not a de Polignac number, because 16234513 - 2¹⁷ = 16103441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16234523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12495 + ... + 13732.

It is an arithmetic number, because the mean of its divisors is an integer number (4065340).

Almost surely, 2^16234513 is an apocalyptic number.

It is an amenable number.

16234513 is a deficient number, since it is larger than the sum of its proper divisors (26847).

16234513 is an equidigital number, since it uses as much as digits as its factorization.

16234513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26846.

The product of its digits is 2160, while the sum is 25.

The square root of 16234513 is about 4029.2074903137. The cubic root of 16234513 is about 253.2093597396.

Adding to 16234513 its reverse (31543261), we get a palindrome (47777774).

It can be divided in two parts, 162345 and 13, that multiplied together give a triangular number (2110485 = T₂₀₅₄).

The spelling of 16234513 in words is "sixteen million, two hundred thirty-four thousand, five hundred thirteen".