2520106505 has 12 divisors (see below), whose sum is σ = 3517863300. Its totient is φ = 1728072864.

The previous prime is 2520106499. The next prime is 2520106513. The reversal of 2520106505 is 5056010252.

It can be written as a sum of positive squares in 2 ways, for example, as 1296576064 + 1223530441 = 36008^2 + 34979^2 .

It is not a de Polignac number, because 2520106505 - 2¹⁶ = 2520040969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5142830 + ... + 5143319.

It is an arithmetic number, because the mean of its divisors is an integer number (293155275).

Almost surely, 2^2520106505 is an apocalyptic number.

It is an amenable number.

2520106505 is a deficient number, since it is larger than the sum of its proper divisors (997756795).

2520106505 is a wasteful number, since it uses less digits than its factorization.

2520106505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10286168 (or 10286161 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2520106505 is about 50200.6623960282. The cubic root of 2520106505 is about 1360.8375940801.

Adding to 2520106505 its reverse (5056010252), we get a palindrome (7576116757).

The spelling of 2520106505 in words is "two billion, five hundred twenty million, one hundred six thousand, five hundred five".