210004001 has 2 divisors, whose sum is σ = 210004002. Its totient is φ = 210004000.

The previous prime is 210003977. The next prime is 210004021. The reversal of 210004001 is 100400012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190467601 + 19536400 = 13801^2 + 4420^2 .

It is a cyclic number.

It is not a de Polignac number, because 210004001 - 2¹⁰ = 210002977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210004001.

It is not a weakly prime, because it can be changed into another prime (210004021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105002000 + 105002001.

It is an arithmetic number, because the mean of its divisors is an integer number (105002001).

Almost surely, 2^210004001 is an apocalyptic number.

It is an amenable number.

210004001 is a deficient number, since it is larger than the sum of its proper divisors (1).

210004001 is an equidigital number, since it uses as much as digits as its factorization.

210004001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 210004001 is about 14491.5147931471. The cubic root of 210004001 is about 594.3959701145.

Adding to 210004001 its reverse (100400012), we get a palindrome (310404013).

The spelling of 210004001 in words is "two hundred ten million, four thousand, one".