2520601601 has 12 divisors (see below), whose sum is σ = 2973430080. Its totient is φ = 2130082920.

The previous prime is 2520601583. The next prime is 2520601609. The reversal of 2520601601 is 1061060252.

It is not a de Polignac number, because 2520601601 - 2¹⁴ = 2520585217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520601609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358781 + ... + 365738.

It is an arithmetic number, because the mean of its divisors is an integer number (247785840).

Almost surely, 2^2520601601 is an apocalyptic number.

It is an amenable number.

2520601601 is a deficient number, since it is larger than the sum of its proper divisors (452828479).

2520601601 is an equidigital number, since it uses as much as digits as its factorization.

2520601601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724604 (or 724597 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2520601601 is about 50205.5933238519. The cubic root of 2520601601 is about 1360.9267042205.

Adding to 2520601601 its reverse (1061060252), we get a palindrome (3581661853).

The spelling of 2520601601 in words is "two billion, five hundred twenty million, six hundred one thousand, six hundred one".