2520637485 has 16 divisors (see below), whose sum is σ = 4093215936. Its totient is φ = 1324274688.

The previous prime is 2520637477. The next prime is 2520637501. The reversal of 2520637485 is 5847360252.

2520637485 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520637485 - 2³ = 2520637477 is a prime.

It is a super-3 number, since 3×2520637485³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253044 + ... + 1255053.

It is an arithmetic number, because the mean of its divisors is an integer number (255825996).

Almost surely, 2^2520637485 is an apocalyptic number.

It is an amenable number.

2520637485 is a deficient number, since it is larger than the sum of its proper divisors (1572578451).

2520637485 is a wasteful number, since it uses less digits than its factorization.

2520637485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508172.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2520637485 is about 50205.9506931200. The cubic root of 2520637485 is about 1360.9331623695.

The spelling of 2520637485 in words is "two billion, five hundred twenty million, six hundred thirty-seven thousand, four hundred eighty-five".