6675004521 has 6 divisors (see below), whose sum is σ = 9641673210. Its totient is φ = 4450003008.

The previous prime is 6675004519. The next prime is 6675004543. The reversal of 6675004521 is 1254005766.

It is a happy number.

6675004521 is a `hidden beast` number, since 66 + 75 + 0 + 0 + 4 + 521 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3842636121 + 2832368400 = 61989^2 + 53220^2 .

It is not a de Polignac number, because 6675004521 - 2¹ = 6675004519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6675004561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370833576 + ... + 370833593.

It is an arithmetic number, because the mean of its divisors is an integer number (1606945535).

Almost surely, 2^6675004521 is an apocalyptic number.

It is an amenable number.

6675004521 is a deficient number, since it is larger than the sum of its proper divisors (2966668689).

6675004521 is a wasteful number, since it uses less digits than its factorization.

6675004521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741667175 (or 741667172 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 6675004521 is about 81700.7008599069. The cubic root of 6675004521 is about 1882.8563530190.

The spelling of 6675004521 in words is "six billion, six hundred seventy-five million, four thousand, five hundred twenty-one".