2511525 has 12 divisors (see below), whose sum is σ = 4152512. Its totient is φ = 1339440.

The previous prime is 2511521. The next prime is 2511541. The reversal of 2511525 is 5251152.

2511525 = 365² + 366² + ... + 382².

It is not a de Polignac number, because 2511525 - 2² = 2511521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2511521) 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, 16669 + ... + 16818.

2^2511525 is an apocalyptic number.

2511525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2511525 is a deficient number, since it is larger than the sum of its proper divisors (1640987).

2511525 is a wasteful number, since it uses less digits than its factorization.

2511525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33500 (or 33495 counting only the distinct ones).

The product of its digits is 500, while the sum is 21.

The square root of 2511525 is about 1584.7791644264. The cubic root of 2511525 is about 135.9291189178.

Adding to 2511525 its reverse (5251152), we get a palindrome (7762677).

The spelling of 2511525 in words is "two million, five hundred eleven thousand, five hundred twenty-five".