6538654 has 4 divisors (see below), whose sum is σ = 9807984. Its totient is φ = 3269326.

The previous prime is 6538621. The next prime is 6538669. The reversal of 6538654 is 4568356.

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

It is a super-2 number, since 2×6538654² = 85507992263432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1634662 + ... + 1634665.

It is an arithmetic number, because the mean of its divisors is an integer number (2451996).

Almost surely, 2^6538654 is an apocalyptic number.

6538654 is a deficient number, since it is larger than the sum of its proper divisors (3269330).

6538654 is a wasteful number, since it uses less digits than its factorization.

6538654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269329.

The product of its digits is 86400, while the sum is 37.

The square root of 6538654 is about 2557.0791931421. The cubic root of 6538654 is about 186.9947666470.

The spelling of 6538654 in words is "six million, five hundred thirty-eight thousand, six hundred fifty-four".