2520637525 has 12 divisors (see below), whose sum is σ = 3572103712. Its totient is φ = 1728437040.

The previous prime is 2520637501. The next prime is 2520637531. The reversal of 2520637525 is 5257360252.

2520637525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520637525 - 2¹¹ = 2520635477 is a prime.

It is a super-2 number, since 2×2520637525² = 12707227064876251250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

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, 7201647 + ... + 7201996.

Almost surely, 2^2520637525 is an apocalyptic number.

2520637525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2520637525 is a deficient number, since it is larger than the sum of its proper divisors (1051466187).

2520637525 is a wasteful number, since it uses less digits than its factorization.

2520637525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14403660 (or 14403655 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

The square root of 2520637525 is about 50205.9510914792. The cubic root of 2520637525 is about 1360.9331695684.

Adding to 2520637525 its reverse (5257360252), we get a palindrome (7777997777).

The spelling of 2520637525 in words is "two billion, five hundred twenty million, six hundred thirty-seven thousand, five hundred twenty-five".