16102813 has 2 divisors, whose sum is σ = 16102814. Its totient is φ = 16102812.

The previous prime is 16102799. The next prime is 16102817. The reversal of 16102813 is 31820161.

16102813 = 2837² + 2838².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8054244 + 8048569 = 2838^2 + 2837^2 .

It is an emirp because it is prime and its reverse (31820161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16102813 - 2¹³ = 16094621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16102817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8051406 + 8051407.

It is an arithmetic number, because the mean of its divisors is an integer number (8051407).

Almost surely, 2^16102813 is an apocalyptic number.

16102813 is the 2838-th centered square number.

It is an amenable number.

16102813 is a deficient number, since it is larger than the sum of its proper divisors (1).

16102813 is an equidigital number, since it uses as much as digits as its factorization.

16102813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 16102813 is about 4012.8310455338. The cubic root of 16102813 is about 252.5227924398.

Adding to 16102813 its reverse (31820161), we get a palindrome (47922974).

The spelling of 16102813 in words is "sixteen million, one hundred two thousand, eight hundred thirteen".