212244553 has 2 divisors, whose sum is σ = 212244554. Its totient is φ = 212244552.

The previous prime is 212244547. The next prime is 212244587. The reversal of 212244553 is 355442212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188156089 + 24088464 = 13717^2 + 4908^2 .

It is a cyclic number.

It is not a de Polignac number, because 212244553 - 2¹⁷ = 212113481 is a prime.

It is not a weakly prime, because it can be changed into another prime (212244503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106122276 + 106122277.

It is an arithmetic number, because the mean of its divisors is an integer number (106122277).

Almost surely, 2^212244553 is an apocalyptic number.

It is an amenable number.

212244553 is a deficient number, since it is larger than the sum of its proper divisors (1).

212244553 is an equidigital number, since it uses as much as digits as its factorization.

212244553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 28.

The square root of 212244553 is about 14568.6153425780. The cubic root of 212244553 is about 596.5023850264.

Adding to 212244553 its reverse (355442212), we get a palindrome (567686765).

The spelling of 212244553 in words is "two hundred twelve million, two hundred forty-four thousand, five hundred fifty-three".