2520403001 has 2 divisors, whose sum is σ = 2520403002. Its totient is φ = 2520403000.

The previous prime is 2520402979. The next prime is 2520403007. The reversal of 2520403001 is 1003040252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1907592976 + 612810025 = 43676^2 + 24755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520403001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520403007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260201500 + 1260201501.

It is an arithmetic number, because the mean of its divisors is an integer number (1260201501).

Almost surely, 2^2520403001 is an apocalyptic number.

It is an amenable number.

2520403001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520403001 is an equidigital number, since it uses as much as digits as its factorization.

2520403001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2520403001 is about 50203.6154176171. The cubic root of 2520403001 is about 1360.8909604861.

Adding to 2520403001 its reverse (1003040252), we get a palindrome (3523443253).

The spelling of 2520403001 in words is "two billion, five hundred twenty million, four hundred three thousand, one".