6654321001 has 16 divisors (see below), whose sum is σ = 6829056000. Its totient is φ = 6482322000.

The previous prime is 6654320977. The next prime is 6654321019. The reversal of 6654321001 is 1001234566.

It is a cyclic number.

It is not a de Polignac number, because 6654321001 - 2⁷ = 6654320873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6654321041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131920 + ... + 2135038.

It is an arithmetic number, because the mean of its divisors is an integer number (426816000).

Almost surely, 2^6654321001 is an apocalyptic number.

It is an amenable number.

6654321001 is a deficient number, since it is larger than the sum of its proper divisors (174734999).

6654321001 is a wasteful number, since it uses less digits than its factorization.

6654321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 6654321001 is about 81574.0216061462. The cubic root of 6654321001 is about 1880.9095682619.

Adding to 6654321001 its reverse (1001234566), we get a palindrome (7655555567).

The spelling of 6654321001 in words is "six billion, six hundred fifty-four million, three hundred twenty-one thousand, one".