16413431 has 2 divisors, whose sum is σ = 16413432. Its totient is φ = 16413430.

The previous prime is 16413427. The next prime is 16413433. The reversal of 16413431 is 13431461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16413431 - 2² = 16413427 is a prime.

It is a super-2 number, since 2×16413431² = 538801434383522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 16413433, 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 = 16413397 and 16413406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16413433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8206715 + 8206716.

It is an arithmetic number, because the mean of its divisors is an integer number (8206716).

Almost surely, 2^16413431 is an apocalyptic number.

16413431 is a deficient number, since it is larger than the sum of its proper divisors (1).

16413431 is an equidigital number, since it uses as much as digits as its factorization.

16413431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 16413431 is about 4051.3492814123. The cubic root of 16413431 is about 254.1361567725.

Adding to 16413431 its reverse (13431461), we get a palindrome (29844892).

The spelling of 16413431 in words is "sixteen million, four hundred thirteen thousand, four hundred thirty-one".