211510053 has 12 divisors (see below), whose sum is σ = 307746348. Its totient is φ = 139976640.

The previous prime is 211510043. The next prime is 211510067. The reversal of 211510053 is 350015112.

211510053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 82846404 + 128663649 = 9102^2 + 11343^2 .

It is not a de Polignac number, because 211510053 - 2⁴ = 211510037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211510043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84538 + ... + 87003.

It is an arithmetic number, because the mean of its divisors is an integer number (25645529).

Almost surely, 2^211510053 is an apocalyptic number.

It is an amenable number.

211510053 is a deficient number, since it is larger than the sum of its proper divisors (96236295).

211510053 is a wasteful number, since it uses less digits than its factorization.

211510053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171684 (or 171681 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 211510053 is about 14543.3851974016. The cubic root of 211510053 is about 595.8134982796.

Adding to 211510053 its reverse (350015112), we get a palindrome (561525165).

The spelling of 211510053 in words is "two hundred eleven million, five hundred ten thousand, fifty-three".