16538029 has 2 divisors, whose sum is σ = 16538030. Its totient is φ = 16538028.

The previous prime is 16538003. The next prime is 16538051. The reversal of 16538029 is 92083561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15093225 + 1444804 = 3885^2 + 1202^2 .

It is a cyclic number.

It is not a de Polignac number, because 16538029 - 2¹³ = 16529837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16537985 and 16538003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16538099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8269014 + 8269015.

It is an arithmetic number, because the mean of its divisors is an integer number (8269015).

Almost surely, 2^16538029 is an apocalyptic number.

It is an amenable number.

16538029 is a deficient number, since it is larger than the sum of its proper divisors (1).

16538029 is an equidigital number, since it uses as much as digits as its factorization.

16538029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 16538029 is about 4066.6975545275. The cubic root of 16538029 is about 254.7776043791. Note that the first 3 decimals are identical.

The spelling of 16538029 in words is "sixteen million, five hundred thirty-eight thousand, twenty-nine".