16850413 has 2 divisors, whose sum is σ = 16850414. Its totient is φ = 16850412.

The previous prime is 16850401. The next prime is 16850423. The reversal of 16850413 is 31405861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16621929 + 228484 = 4077^2 + 478^2 .

It is a cyclic number.

It is not a de Polignac number, because 16850413 - 2⁵ = 16850381 is a prime.

It is a super-3 number, since 3×16850413³ (a number of 23 digits) contains 333 as substring.

It is equal to p_1082287 and since 16850413 and 1082287 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16850423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8425206 + 8425207.

It is an arithmetic number, because the mean of its divisors is an integer number (8425207).

Almost surely, 2^16850413 is an apocalyptic number.

It is an amenable number.

16850413 is a deficient number, since it is larger than the sum of its proper divisors (1).

16850413 is an equidigital number, since it uses as much as digits as its factorization.

16850413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 16850413 is about 4104.9254560832. The cubic root of 16850413 is about 256.3717590705.

The spelling of 16850413 in words is "sixteen million, eight hundred fifty thousand, four hundred thirteen".