212358253 has 2 divisors, whose sum is σ = 212358254. Its totient is φ = 212358252.

The previous prime is 212358233. The next prime is 212358283. The reversal of 212358253 is 352853212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211615209 + 743044 = 14547^2 + 862^2 .

It is a cyclic number.

It is not a de Polignac number, because 212358253 - 2⁵ = 212358221 is a prime.

It is equal to p_11724529 and since 212358253 and 11724529 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212358233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106179126 + 106179127.

It is an arithmetic number, because the mean of its divisors is an integer number (106179127).

Almost surely, 2^212358253 is an apocalyptic number.

It is an amenable number.

212358253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212358253 is an equidigital number, since it uses as much as digits as its factorization.

212358253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 212358253 is about 14572.5170440799. The cubic root of 212358253 is about 596.6088820098.

The spelling of 212358253 in words is "two hundred twelve million, three hundred fifty-eight thousand, two hundred fifty-three".