2520525689 has 8 divisors (see below), whose sum is σ = 2911409568. Its totient is φ = 2156599360.

The previous prime is 2520525653. The next prime is 2520525703. The reversal of 2520525689 is 9865250252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2520525689 - 2²⁸ = 2252090233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520525089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6739187 + ... + 6739560.

It is an arithmetic number, because the mean of its divisors is an integer number (363926196).

Almost surely, 2^2520525689 is an apocalyptic number.

It is an amenable number.

2520525689 is a deficient number, since it is larger than the sum of its proper divisors (390883879).

2520525689 is a wasteful number, since it uses less digits than its factorization.

2520525689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478775.

The product of its (nonzero) digits is 432000, while the sum is 44.

The square root of 2520525689 is about 50204.8373067775. The cubic root of 2520525689 is about 1360.9130419127.

The spelling of 2520525689 in words is "two billion, five hundred twenty million, five hundred twenty-five thousand, six hundred eighty-nine".