16774001 has 2 divisors, whose sum is σ = 16774002. Its totient is φ = 16774000.

The previous prime is 16773997. The next prime is 16774003. The reversal of 16774001 is 10047761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8708401 + 8065600 = 2951^2 + 2840^2 .

It is an emirp because it is prime and its reverse (10047761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16774001 - 2² = 16773997 is a prime.

Together with 16774003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16774003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8387000 + 8387001.

It is an arithmetic number, because the mean of its divisors is an integer number (8387001).

Almost surely, 2^16774001 is an apocalyptic number.

It is an amenable number.

16774001 is a deficient number, since it is larger than the sum of its proper divisors (1).

16774001 is an equidigital number, since it uses as much as digits as its factorization.

16774001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 16774001 is about 4095.6075251420. The cubic root of 16774001 is about 255.9836466197.

The spelling of 16774001 in words is "sixteen million, seven hundred seventy-four thousand, one".