17400001 has 2 divisors, whose sum is σ = 17400002. Its totient is φ = 17400000.

The previous prime is 17399989. The next prime is 17400007. The reversal of 17400001 is 10000471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15397776 + 2002225 = 3924^2 + 1415^2 .

It is a cyclic number.

It is not a de Polignac number, because 17400001 - 2⁷ = 17399873 is a prime.

It is not a weakly prime, because it can be changed into another prime (17400007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8700000 + 8700001.

It is an arithmetic number, because the mean of its divisors is an integer number (8700001).

Almost surely, 2^17400001 is an apocalyptic number.

It is an amenable number.

17400001 is a deficient number, since it is larger than the sum of its proper divisors (1).

17400001 is an equidigital number, since it uses as much as digits as its factorization.

17400001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 17400001 is about 4171.3308427887. The cubic root of 17400001 is about 259.1292418581.

Adding to 17400001 its reverse (10000471), we get a palindrome (27400472).

The spelling of 17400001 in words is "seventeen million, four hundred thousand, one".