212315653 has 8 divisors (see below), whose sum is σ = 233094240. Its totient is φ = 191783280.

The previous prime is 212315611. The next prime is 212315707. The reversal of 212315653 is 356513212.

212315653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212315653 - 2⁹ = 212315141 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 (212315603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59743 + ... + 63196.

It is an arithmetic number, because the mean of its divisors is an integer number (29136780).

Almost surely, 2^212315653 is an apocalyptic number.

It is an amenable number.

212315653 is a deficient number, since it is larger than the sum of its proper divisors (20778587).

212315653 is a wasteful number, since it uses less digits than its factorization.

212315653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123107.

The product of its digits is 5400, while the sum is 28.

The square root of 212315653 is about 14571.0553152474. The cubic root of 212315653 is about 596.5689852195.

Adding to 212315653 its reverse (356513212), we get a palindrome (568828865).

The spelling of 212315653 in words is "two hundred twelve million, three hundred fifteen thousand, six hundred fifty-three".