1000510001 has 2 divisors, whose sum is σ = 1000510002. Its totient is φ = 1000510000.

The previous prime is 1000509997. The next prime is 1000510013. The reversal of 1000510001 is 1000150001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 976500001 + 24010000 = 31249^2 + 4900^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000510001 - 2² = 1000509997 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000510501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500255000 + 500255001.

It is an arithmetic number, because the mean of its divisors is an integer number (500255001).

Almost surely, 2^1000510001 is an apocalyptic number.

It is an amenable number.

1000510001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000510001 is an equidigital number, since it uses as much as digits as its factorization.

1000510001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 1000510001 is about 31630.8393976511. The cubic root of 1000510001 is about 1000.1699714414.

Adding to 1000510001 its reverse (1000150001), we get a palindrome (2000660002).

Subtracting from 1000510001 its reverse (1000150001), we obtain a square (360000 = 600²).

The spelling of 1000510001 in words is "one billion, five hundred ten thousand, one".