212874853 has 2 divisors, whose sum is σ = 212874854. Its totient is φ = 212874852.

The previous prime is 212874839. The next prime is 212874863. The reversal of 212874853 is 358478212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144432324 + 68442529 = 12018^2 + 8273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212874853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212874863) 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, 106437426 + 106437427.

It is an arithmetic number, because the mean of its divisors is an integer number (106437427).

Almost surely, 2^212874853 is an apocalyptic number.

It is an amenable number.

212874853 is a deficient number, since it is larger than the sum of its proper divisors (1).

212874853 is an equidigital number, since it uses as much as digits as its factorization.

212874853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 40.

The square root of 212874853 is about 14590.2314237986. The cubic root of 212874853 is about 597.0922767091.

The spelling of 212874853 in words is "two hundred twelve million, eight hundred seventy-four thousand, eight hundred fifty-three".