2505435525 has 36 divisors (see below), whose sum is σ = 4492984132. Its totient is φ = 1334603520.

The previous prime is 2505435521. The next prime is 2505435539. The reversal of 2505435525 is 5255345052.

2505435525 is a `hidden beast` number, since 2 + 50 + 54 + 3 + 552 + 5 = 666.

2505435525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 31069476 + 2474366049 = 5574^2 + 49743^2 .

It is not a de Polignac number, because 2505435525 - 2² = 2505435521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505435525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505435521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 190977 + ... + 203673.

Almost surely, 2^2505435525 is an apocalyptic number.

2505435525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505435525 is a deficient number, since it is larger than the sum of its proper divisors (1987548607).

2505435525 is a wasteful number, since it uses less digits than its factorization.

2505435525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590 (or 13582 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 2505435525 is about 50054.3257371428. The cubic root of 2505435525 is about 1358.1917152802.

The spelling of 2505435525 in words is "two billion, five hundred five million, four hundred thirty-five thousand, five hundred twenty-five".