2520242001 has 6 divisors (see below), whose sum is σ = 3640349570. Its totient is φ = 1680161328.

The previous prime is 2520241987. The next prime is 2520242033. The reversal of 2520242001 is 1002420252.

It can be written as a sum of positive squares in only one way, i.e., 1570061376 + 950180625 = 39624^2 + 30825^2 .

It is not a de Polignac number, because 2520242001 - 2¹⁵ = 2520209233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520202001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140013436 + ... + 140013453.

Almost surely, 2^2520242001 is an apocalyptic number.

It is an amenable number.

2520242001 is a deficient number, since it is larger than the sum of its proper divisors (1120107569).

2520242001 is a wasteful number, since it uses less digits than its factorization.

2520242001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280026895 (or 280026892 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2520242001 is about 50202.0119218344. The cubic root of 2520242001 is about 1360.8619825661.

Adding to 2520242001 its reverse (1002420252), we get a palindrome (3522662253).

The spelling of 2520242001 in words is "two billion, five hundred twenty million, two hundred forty-two thousand, one".