2505525 has 24 divisors (see below), whose sum is σ = 4520544. Its totient is φ = 1214400.

The previous prime is 2505499. The next prime is 2505527. The reversal of 2505525 is 5255052.

It is not a de Polignac number, because 2505525 - 2¹⁰ = 2504501 is a prime.

It is a Curzon number.

2505525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2505495 and 2505504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 694 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (188356).

2^2505525 is an apocalyptic number.

2505525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505525 is a deficient number, since it is larger than the sum of its proper divisors (2015019).

2505525 is a wasteful number, since it uses less digits than its factorization.

2505525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061 (or 3056 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 2505525 is about 1582.8850242516. The cubic root of 2505525 is about 135.8207883162.

It can be divided in two parts, 250 and 5525, that added together give a palindrome (5775).

The spelling of 2505525 in words is "two million, five hundred five thousand, five hundred twenty-five".