2520507525 has 48 divisors (see below), whose sum is σ = 4291689600. Its totient is φ = 1304328960.

The previous prime is 2520507523. The next prime is 2520507527. The reversal of 2520507525 is 5257050252.

2520507525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2520507523) and next prime (2520507527).

It is not a de Polignac number, because 2520507525 - 2¹ = 2520507523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520507523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1217191 + ... + 1219259.

It is an arithmetic number, because the mean of its divisors is an integer number (89410200).

Almost surely, 2^2520507525 is an apocalyptic number.

2520507525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2520507525 is a deficient number, since it is larger than the sum of its proper divisors (1771182075).

2520507525 is a wasteful number, since it uses less digits than its factorization.

2520507525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558 (or 2553 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 2520507525 is about 50204.6564075485. The cubic root of 2520507525 is about 1360.9097727952.

Adding to 2520507525 its reverse (5257050252), we get a palindrome (7777557777).

The spelling of 2520507525 in words is "two billion, five hundred twenty million, five hundred seven thousand, five hundred twenty-five".