2010001601 has 2 divisors, whose sum is σ = 2010001602. Its totient is φ = 2010001600.

The previous prime is 2010001573. The next prime is 2010001607. The reversal of 2010001601 is 1061000102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1982386576 + 27615025 = 44524^2 + 5255^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010001601 - 2⁶ = 2010001537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2010001607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005000800 + 1005000801.

It is an arithmetic number, because the mean of its divisors is an integer number (1005000801).

Almost surely, 2^2010001601 is an apocalyptic number.

It is an amenable number.

2010001601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010001601 is an equidigital number, since it uses as much as digits as its factorization.

2010001601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2010001601 is about 44833.0413980582. The cubic root of 2010001601 is about 1262.0177632929.

Adding to 2010001601 its reverse (1061000102), we get a palindrome (3071001703).

The spelling of 2010001601 in words is "two billion, ten million, one thousand, six hundred one".