7952021 has 16 divisors (see below), whose sum is σ = 10082688. Its totient is φ = 6091200.

The previous prime is 7952011. The next prime is 7952041. The reversal of 7952021 is 1202597.

It is a cyclic number.

It is not a de Polignac number, because 7952021 - 2¹⁰ = 7950997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7952011) 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 15 ways as a sum of consecutive naturals, for example, 3851 + ... + 5543.

It is an arithmetic number, because the mean of its divisors is an integer number (630168).

Almost surely, 2^7952021 is an apocalyptic number.

It is an amenable number.

7952021 is a deficient number, since it is larger than the sum of its proper divisors (2130667).

7952021 is a wasteful number, since it uses less digits than its factorization.

7952021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 7952021 is about 2819.9328006178. The cubic root of 7952021 is about 199.5993730260.

The spelling of 7952021 in words is "seven million, nine hundred fifty-two thousand, twenty-one".