2021885153 has 2 divisors, whose sum is σ = 2021885154. Its totient is φ = 2021885152.

The previous prime is 2021885119. The next prime is 2021885183. The reversal of 2021885153 is 3515881202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1087482529 + 934402624 = 32977^2 + 30568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021885153 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2021885113) 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 as a sum of consecutive naturals, namely, 1010942576 + 1010942577.

It is an arithmetic number, because the mean of its divisors is an integer number (1010942577).

Almost surely, 2^2021885153 is an apocalyptic number.

It is an amenable number.

2021885153 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021885153 is an equidigital number, since it uses as much as digits as its factorization.

2021885153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 2021885153 is about 44965.3772696282. The cubic root of 2021885153 is about 1264.4999826710.

The spelling of 2021885153 in words is "two billion, twenty-one million, eight hundred eighty-five thousand, one hundred fifty-three".