16874513 has 2 divisors, whose sum is σ = 16874514. Its totient is φ = 16874512.

The previous prime is 16874483. The next prime is 16874521. The reversal of 16874513 is 31547861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12902464 + 3972049 = 3592^2 + 1993^2 .

It is an emirp because it is prime and its reverse (31547861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16874513 - 2¹⁰ = 16873489 is a prime.

It is not a weakly prime, because it can be changed into another prime (16874213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8437256 + 8437257.

It is an arithmetic number, because the mean of its divisors is an integer number (8437257).

Almost surely, 2^16874513 is an apocalyptic number.

It is an amenable number.

16874513 is a deficient number, since it is larger than the sum of its proper divisors (1).

16874513 is an equidigital number, since it uses as much as digits as its factorization.

16874513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 35.

The square root of 16874513 is about 4107.8599051087. The cubic root of 16874513 is about 256.4939245458.

The spelling of 16874513 in words is "sixteen million, eight hundred seventy-four thousand, five hundred thirteen".