16426513 has 2 divisors, whose sum is σ = 16426514. Its totient is φ = 16426512.

The previous prime is 16426493. The next prime is 16426517. The reversal of 16426513 is 31562461.

16426513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11444689 + 4981824 = 3383^2 + 2232^2 .

It is a cyclic number.

It is not a de Polignac number, because 16426513 - 2⁵ = 16426481 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (16426517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213256 + 8213257.

It is an arithmetic number, because the mean of its divisors is an integer number (8213257).

Almost surely, 2^16426513 is an apocalyptic number.

It is an amenable number.

16426513 is a deficient number, since it is larger than the sum of its proper divisors (1).

16426513 is an equidigital number, since it uses as much as digits as its factorization.

16426513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 16426513 is about 4052.9634836746. The cubic root of 16426513 is about 254.2036569055.

Adding to 16426513 its reverse (31562461), we get a palindrome (47988974).

The spelling of 16426513 in words is "sixteen million, four hundred twenty-six thousand, five hundred thirteen".