16490413 has 2 divisors, whose sum is σ = 16490414. Its totient is φ = 16490412.

The previous prime is 16490407. The next prime is 16490417. The reversal of 16490413 is 31409461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9108324 + 7382089 = 3018^2 + 2717^2 .

It is an emirp because it is prime and its reverse (31409461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16490413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16490417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8245206 + 8245207.

It is an arithmetic number, because the mean of its divisors is an integer number (8245207).

Almost surely, 2^16490413 is an apocalyptic number.

It is an amenable number.

16490413 is a deficient number, since it is larger than the sum of its proper divisors (1).

16490413 is an equidigital number, since it uses as much as digits as its factorization.

16490413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 16490413 is about 4060.8389527289. The cubic root of 16490413 is about 254.5328522788.

Adding to 16490413 its reverse (31409461), we get a palindrome (47899874).

The spelling of 16490413 in words is "sixteen million, four hundred ninety thousand, four hundred thirteen".