212063653 has 16 divisors (see below), whose sum is σ = 224280576. Its totient is φ = 200229120.

The previous prime is 212063647. The next prime is 212063669. The reversal of 212063653 is 356360212.

It is a cyclic number.

It is not a de Polignac number, because 212063653 - 2²¹ = 209966501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212063623) 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, 553500 + ... + 553882.

It is an arithmetic number, because the mean of its divisors is an integer number (14017536).

Almost surely, 2^212063653 is an apocalyptic number.

It is an amenable number.

212063653 is a deficient number, since it is larger than the sum of its proper divisors (12216923).

212063653 is a wasteful number, since it uses less digits than its factorization.

212063653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 212063653 is about 14562.4054675043. The cubic root of 212063653 is about 596.3328668117.

The spelling of 212063653 in words is "two hundred twelve million, sixty-three thousand, six hundred fifty-three".