212344553 has 8 divisors (see below), whose sum is σ = 216769608. Its totient is φ = 207935104.

The previous prime is 212344549. The next prime is 212344571. The reversal of 212344553 is 355443212.

It is a happy number.

212344553 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 4 ways, for example, as 1369 + 212343184 = 37^2 + 14572^2 .

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 212344553 - 2² = 212344549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212341553) 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, 25925 + ... + 33117.

It is an arithmetic number, because the mean of its divisors is an integer number (27096201).

Almost surely, 2^212344553 is an apocalyptic number.

It is an amenable number.

212344553 is a deficient number, since it is larger than the sum of its proper divisors (4425055).

212344553 is an equidigital number, since it uses as much as digits as its factorization.

212344553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7803.

The product of its digits is 14400, while the sum is 29.

The square root of 212344553 is about 14572.0469735724. The cubic root of 212344553 is about 596.5960519340.

Adding to 212344553 its reverse (355443212), we get a palindrome (567787765).

The spelling of 212344553 in words is "two hundred twelve million, three hundred forty-four thousand, five hundred fifty-three".