212053543 has 16 divisors (see below), whose sum is σ = 231868000. Its totient is φ = 192761856.

The previous prime is 212053531. The next prime is 212053561. The reversal of 212053543 is 345350212.

It is a cyclic number.

It is not a de Polignac number, because 212053543 - 2¹⁷ = 211922471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212053343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424708 + ... + 425206.

It is an arithmetic number, because the mean of its divisors is an integer number (14491750).

Almost surely, 2^212053543 is an apocalyptic number.

212053543 is a deficient number, since it is larger than the sum of its proper divisors (19814457).

212053543 is a wasteful number, since it uses less digits than its factorization.

212053543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 212053543 is about 14562.0583366501. The cubic root of 212053543 is about 596.3233900642.

The spelling of 212053543 in words is "two hundred twelve million, fifty-three thousand, five hundred forty-three".