16854451 has 2 divisors, whose sum is σ = 16854452. Its totient is φ = 16854450.

The previous prime is 16854449. The next prime is 16854473. The reversal of 16854451 is 15445861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16854451 - 2¹ = 16854449 is a prime.

It is a super-2 number, since 2×16854451² = 568145037022802, which contains 22 as substring.

Together with 16854449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16854401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8427225 + 8427226.

It is an arithmetic number, because the mean of its divisors is an integer number (8427226).

Almost surely, 2^16854451 is an apocalyptic number.

16854451 is a deficient number, since it is larger than the sum of its proper divisors (1).

16854451 is an equidigital number, since it uses as much as digits as its factorization.

16854451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 34.

The square root of 16854451 is about 4105.4172747724. The cubic root of 16854451 is about 256.3922362438.

The spelling of 16854451 in words is "sixteen million, eight hundred fifty-four thousand, four hundred fifty-one".