16803539 has 2 divisors, whose sum is σ = 16803540. Its totient is φ = 16803538.

The previous prime is 16803517. The next prime is 16803541. The reversal of 16803539 is 93530861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16803539 - 2¹⁶ = 16738003 is a prime.

Together with 16803541, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16803499 and 16803508.

It is not a weakly prime, because it can be changed into another prime (16805539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8401769 + 8401770.

It is an arithmetic number, because the mean of its divisors is an integer number (8401770).

Almost surely, 2^16803539 is an apocalyptic number.

16803539 is a deficient number, since it is larger than the sum of its proper divisors (1).

16803539 is an equidigital number, since it uses as much as digits as its factorization.

16803539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 16803539 is about 4099.2119974454. The cubic root of 16803539 is about 256.1338157414.

The spelling of 16803539 in words is "sixteen million, eight hundred three thousand, five hundred thirty-nine".