16045513 has 8 divisors (see below), whose sum is σ = 18265536. Its totient is φ = 13952400.

The previous prime is 16045511. The next prime is 16045517. The reversal of 16045513 is 31554061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16045513 - 2¹ = 16045511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16045511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31458 + ... + 31963.

It is an arithmetic number, because the mean of its divisors is an integer number (2283192).

Almost surely, 2^16045513 is an apocalyptic number.

It is an amenable number.

16045513 is a deficient number, since it is larger than the sum of its proper divisors (2220023).

16045513 is a wasteful number, since it uses less digits than its factorization.

16045513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63455.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 16045513 is about 4005.6850849761. The cubic root of 16045513 is about 252.2229120656. Note that the first 3 decimals are identical.

Adding to 16045513 its reverse (31554061), we get a palindrome (47599574).

It can be divided in two parts, 1604 and 5513, that added together give a palindrome (7117).

The spelling of 16045513 in words is "sixteen million, forty-five thousand, five hundred thirteen".