6612544525 has 12 divisors (see below), whose sum is σ = 8248659552. Its totient is φ = 5258355440.

The previous prime is 6612544507. The next prime is 6612544537. The reversal of 6612544525 is 5254452166.

It is a happy number.

It is not a de Polignac number, because 6612544525 - 2⁷ = 6612544397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787747 + ... + 796096.

It is an arithmetic number, because the mean of its divisors is an integer number (687388296).

Almost surely, 2^6612544525 is an apocalyptic number.

It is an amenable number.

6612544525 is a deficient number, since it is larger than the sum of its proper divisors (1636115027).

6612544525 is a wasteful number, since it uses less digits than its factorization.

6612544525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584020 (or 1584015 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 6612544525 is about 81317.5536092915. The cubic root of 6612544525 is about 1876.9651242925.

The spelling of 6612544525 in words is "six billion, six hundred twelve million, five hundred forty-four thousand, five hundred twenty-five".