2095021 has 2 divisors, whose sum is σ = 2095022. Its totient is φ = 2095020.

The previous prime is 2095007. The next prime is 2095057. The reversal of 2095021 is 1205902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 148996 = 1395^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2095021 - 2⁹ = 2094509 is a prime.

It is a super-2 number, since 2×2095021² = 8778225980882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2095021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2095061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047510 + 1047511.

It is an arithmetic number, because the mean of its divisors is an integer number (1047511).

2^2095021 is an apocalyptic number.

It is an amenable number.

2095021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2095021 is an equidigital number, since it uses as much as digits as its factorization.

2095021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2095021 is about 1447.4187369245. The cubic root of 2095021 is about 127.9566300007.

The spelling of 2095021 in words is "two million, ninety-five thousand, twenty-one".