212500853 has 2 divisors, whose sum is σ = 212500854. Its totient is φ = 212500852.

The previous prime is 212500819. The next prime is 212500861. The reversal of 212500853 is 358005212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196644529 + 15856324 = 14023^2 + 3982^2 .

It is a cyclic number.

It is not a de Polignac number, because 212500853 - 2⁶ = 212500789 is a prime.

It is a super-2 number, since 2×212500853² = 90313225051455218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212530853) 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, 106250426 + 106250427.

It is an arithmetic number, because the mean of its divisors is an integer number (106250427).

Almost surely, 2^212500853 is an apocalyptic number.

It is an amenable number.

212500853 is a deficient number, since it is larger than the sum of its proper divisors (1).

212500853 is an equidigital number, since it uses as much as digits as its factorization.

212500853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 212500853 is about 14577.4089947425. The cubic root of 212500853 is about 596.7423944263.

The spelling of 212500853 in words is "two hundred twelve million, five hundred thousand, eight hundred fifty-three".