2511525240 has 96 divisors (see below), whose sum is σ = 9328531680. Its totient is φ = 574062336.

The previous prime is 2511525197. The next prime is 2511525299. The reversal of 2511525240 is 425251152.

2511525240 is a `hidden beast` number, since 25 + 115 + 2 + 524 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495799 + ... + 500838.

It is an arithmetic number, because the mean of its divisors is an integer number (97172205).

Almost surely, 2^2511525240 is an apocalyptic number.

2511525240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2511525240 is an abundant number, since it is smaller than the sum of its proper divisors (6817006440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2511525240 is a wasteful number, since it uses less digits than its factorization.

2511525240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996661 (or 996654 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2511525240 is about 50115.1198741458. The cubic root of 2511525240 is about 1359.2912324759.

Adding to 2511525240 its reverse (425251152), we get a palindrome (2936776392).

The spelling of 2511525240 in words is "two billion, five hundred eleven million, five hundred twenty-five thousand, two hundred forty".