212034553 has 2 divisors, whose sum is σ = 212034554. Its totient is φ = 212034552.

The previous prime is 212034551. The next prime is 212034577. The reversal of 212034553 is 355430212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191213584 + 20820969 = 13828^2 + 4563^2 .

It is a cyclic number.

It is not a de Polignac number, because 212034553 - 2¹ = 212034551 is a prime.

Together with 212034551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (212034551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106017276 + 106017277.

It is an arithmetic number, because the mean of its divisors is an integer number (106017277).

Almost surely, 2^212034553 is an apocalyptic number.

It is an amenable number.

212034553 is a deficient number, since it is larger than the sum of its proper divisors (1).

212034553 is an equidigital number, since it uses as much as digits as its factorization.

212034553 is an evil number, because the sum of its binary digits is even.

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

The square root of 212034553 is about 14561.4062851086. The cubic root of 212034553 is about 596.3055887123.

Adding to 212034553 its reverse (355430212), we get a palindrome (567464765).

The spelling of 212034553 in words is "two hundred twelve million, thirty-four thousand, five hundred fifty-three".