6652121 has 8 divisors (see below), whose sum is σ = 7621440. Its totient is φ = 5687568.

The previous prime is 6652103. The next prime is 6652141. The reversal of 6652121 is 1212566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6652121 - 2¹⁴ = 6635737 is a prime.

It is an Ulam number.

It is a Duffinian number.

6652121 is a modest number, since divided by 2121 gives 665 as remainder.

It is not an unprimeable number, because it can be changed into a prime (6652141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630 + ... + 4496.

It is an arithmetic number, because the mean of its divisors is an integer number (952680).

Almost surely, 2^6652121 is an apocalyptic number.

It is an amenable number.

6652121 is a deficient number, since it is larger than the sum of its proper divisors (969319).

6652121 is a wasteful number, since it uses less digits than its factorization.

6652121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383.

The product of its digits is 720, while the sum is 23.

The square root of 6652121 is about 2579.1706031203. The cubic root of 6652121 is about 188.0702261409.

Adding to 6652121 its reverse (1212566), we get a palindrome (7864687).

The spelling of 6652121 in words is "six million, six hundred fifty-two thousand, one hundred twenty-one".