16541013 has 4 divisors (see below), whose sum is σ = 22054688. Its totient is φ = 11027340.

The previous prime is 16541009. The next prime is 16541029. The reversal of 16541013 is 31014561.

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 not a de Polignac number, because 16541013 - 2² = 16541009 is a prime.

It is a super-2 number, since 2×16541013² = 547210222132338, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16541093) 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, 2756833 + ... + 2756838.

It is an arithmetic number, because the mean of its divisors is an integer number (5513672).

Almost surely, 2^16541013 is an apocalyptic number.

It is an amenable number.

16541013 is a deficient number, since it is larger than the sum of its proper divisors (5513675).

16541013 is an equidigital number, since it uses as much as digits as its factorization.

16541013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513674.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 16541013 is about 4067.0644204389. The cubic root of 16541013 is about 254.7929268549.

Adding to 16541013 its reverse (31014561), we get a palindrome (47555574).

The spelling of 16541013 in words is "sixteen million, five hundred forty-one thousand, thirteen".