7525752505 has 4 divisors (see below), whose sum is σ = 9030903012. Its totient is φ = 6020602000.

The previous prime is 7525752473. The next prime is 7525752527. The reversal of 7525752505 is 5052575257.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4235927056 + 3289825449 = 65084^2 + 57357^2 .

It is not a de Polignac number, because 7525752505 - 2⁵ = 7525752473 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 752575246 + ... + 752575255.

It is an arithmetic number, because the mean of its divisors is an integer number (2257725753).

Almost surely, 2^7525752505 is an apocalyptic number.

It is an amenable number.

7525752505 is a deficient number, since it is larger than the sum of its proper divisors (1505150507).

7525752505 is a wasteful number, since it uses less digits than its factorization.

7525752505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505150506.

The product of its (nonzero) digits is 612500, while the sum is 43.

The square root of 7525752505 is about 86751.0951227706. The cubic root of 7525752505 is about 1959.6716534000.

It can be divided in two parts, 7525752 and 505, that added together give a palindrome (7526257).

The spelling of 7525752505 in words is "seven billion, five hundred twenty-five million, seven hundred fifty-two thousand, five hundred five".