2520540117 has 6 divisors (see below), whose sum is σ = 3640780182. Its totient is φ = 1680360072.

The previous prime is 2520540107. The next prime is 2520540137. The reversal of 2520540117 is 7110450252.

2520540117 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 540 + 117 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1339999236 + 1180540881 = 36606^2 + 34359^2 .

It is not a de Polignac number, because 2520540117 - 2⁴ = 2520540101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520540107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140029998 + ... + 140030015.

It is an arithmetic number, because the mean of its divisors is an integer number (606796697).

Almost surely, 2^2520540117 is an apocalyptic number.

It is an amenable number.

2520540117 is a deficient number, since it is larger than the sum of its proper divisors (1120240065).

2520540117 is a wasteful number, since it uses less digits than its factorization.

2520540117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280060019 (or 280060016 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2520540117 is about 50204.9809979050. The cubic root of 2520540117 is about 1360.9156386218.

Adding to 2520540117 its reverse (7110450252), we get a palindrome (9630990369).

The spelling of 2520540117 in words is "two billion, five hundred twenty million, five hundred forty thousand, one hundred seventeen".