6662587 has 4 divisors (see below), whose sum is σ = 6667840. Its totient is φ = 6657336.

The previous prime is 6662581. The next prime is 6662633. The reversal of 6662587 is 7852666.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6662587 - 2¹⁹ = 6138299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6662581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589 + ... + 3697.

It is an arithmetic number, because the mean of its divisors is an integer number (1666960).

Almost surely, 2^6662587 is an apocalyptic number.

6662587 is a deficient number, since it is larger than the sum of its proper divisors (5253).

6662587 is a wasteful number, since it uses less digits than its factorization.

6662587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252.

The product of its digits is 120960, while the sum is 40.

The square root of 6662587 is about 2581.1987525179. The cubic root of 6662587 is about 188.1688068092.

The spelling of 6662587 in words is "six million, six hundred sixty-two thousand, five hundred eighty-seven".