212053 has 4 divisors (see below), whose sum is σ = 216108. Its totient is φ = 208000.

The previous prime is 212039. The next prime is 212057. The reversal of 212053 is 350212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69169 + 142884 = 263^2 + 378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212053 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (54027).

2²¹²⁰⁵³ is an apocalyptic number.

It is an amenable number.

212053 is a deficient number, since it is larger than the sum of its proper divisors (4055).

212053 is an equidigital number, since it uses as much as digits as its factorization.

212053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 212053 is about 460.4921280543. The cubic root of 212053 is about 59.6322881067.

Adding to 212053 its reverse (350212), we get a palindrome (562265).

The spelling of 212053 in words is "two hundred twelve thousand, fifty-three".