2505814525 has 12 divisors (see below), whose sum is σ = 3270748000. Its totient is φ = 1899143280.

The previous prime is 2505814523. The next prime is 2505814543. The reversal of 2505814525 is 5254185052.

It is not a de Polignac number, because 2505814525 - 2¹ = 2505814523 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505814523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2637225 + ... + 2638174.

Almost surely, 2^2505814525 is an apocalyptic number.

2505814525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2505814525 is a deficient number, since it is larger than the sum of its proper divisors (764933475).

2505814525 is a wasteful number, since it uses less digits than its factorization.

2505814525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275428 (or 5275423 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 37.

The square root of 2505814525 is about 50058.1114805583. Note that the first 3 decimals coincide. The cubic root of 2505814525 is about 1358.2601968810.

Adding to 2505814525 its reverse (5254185052), we get a palindrome (7759999577).

The spelling of 2505814525 in words is "two billion, five hundred five million, eight hundred fourteen thousand, five hundred twenty-five".