211020053 has 2 divisors, whose sum is σ = 211020054. Its totient is φ = 211020052.

The previous prime is 211020001. The next prime is 211020059. The reversal of 211020053 is 350020112.

It is a happy number.

211020053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118417924 + 92602129 = 10882^2 + 9623^2 .

It is a cyclic number.

It is not a de Polignac number, because 211020053 - 2⁸ = 211019797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211020059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105510026 + 105510027.

It is an arithmetic number, because the mean of its divisors is an integer number (105510027).

Almost surely, 2^211020053 is an apocalyptic number.

It is an amenable number.

211020053 is a deficient number, since it is larger than the sum of its proper divisors (1).

211020053 is an equidigital number, since it uses as much as digits as its factorization.

211020053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 211020053 is about 14526.5292826607. The cubic root of 211020053 is about 595.3530404895.

Adding to 211020053 its reverse (350020112), we get a palindrome (561040165).

The spelling of 211020053 in words is "two hundred eleven million, twenty thousand, fifty-three".