2060921 has 2 divisors, whose sum is σ = 2060922. Its totient is φ = 2060920.

The previous prime is 2060909. The next prime is 2060963. The reversal of 2060921 is 1290602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 44521 = 1420^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 2060921 - 2⁶ = 2060857 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2060893 and 2060902.

It is not a weakly prime, because it can be changed into another prime (2060021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030460 + 1030461.

It is an arithmetic number, because the mean of its divisors is an integer number (1030461).

2^2060921 is an apocalyptic number.

It is an amenable number.

2060921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2060921 is an equidigital number, since it uses as much as digits as its factorization.

2060921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2060921 is about 1435.5908191403. The cubic root of 2060921 is about 127.2585922923.

The spelling of 2060921 in words is "two million, sixty thousand, nine hundred twenty-one".