2952021 has 4 divisors (see below), whose sum is σ = 3936032. Its totient is φ = 1968012.

The previous prime is 2952017. The next prime is 2952029. The reversal of 2952021 is 1202592.

2952021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2952021 - 2² = 2952017 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2952029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492001 + ... + 492006.

It is an arithmetic number, because the mean of its divisors is an integer number (984008).

2^2952021 is an apocalyptic number.

It is an amenable number.

2952021 is a deficient number, since it is larger than the sum of its proper divisors (984011).

2952021 is an equidigital number, since it uses as much as digits as its factorization.

2952021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984010.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2952021 is about 1718.1446388474. The cubic root of 2952021 is about 143.4519581640.

The spelling of 2952021 in words is "two million, nine hundred fifty-two thousand, twenty-one".