6601487 has 4 divisors (see below), whose sum is σ = 6611160. Its totient is φ = 6591816.

The previous prime is 6601459. The next prime is 6601501. The reversal of 6601487 is 7841066.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6601487 is a prime.

It is a super-3 number, since 3×6601487³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (1652790).

Almost surely, 2^6601487 is an apocalyptic number.

6601487 is a deficient number, since it is larger than the sum of its proper divisors (9673).

6601487 is an equidigital number, since it uses as much as digits as its factorization.

6601487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9672.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 6601487 is about 2569.3359064163. The cubic root of 6601487 is about 187.5918317570.

The spelling of 6601487 in words is "six million, six hundred one thousand, four hundred eighty-seven".