212495893 has 2 divisors, whose sum is σ = 212495894. Its totient is φ = 212495892.

The previous prime is 212495887. The next prime is 212495909. The reversal of 212495893 is 398594212.

212495893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175748049 + 36747844 = 13257^2 + 6062^2 .

It is a cyclic number.

It is not a de Polignac number, because 212495893 - 2⁵ = 212495861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212495813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106247946 + 106247947.

It is an arithmetic number, because the mean of its divisors is an integer number (106247947).

Almost surely, 2^212495893 is an apocalyptic number.

It is an amenable number.

212495893 is a deficient number, since it is larger than the sum of its proper divisors (1).

212495893 is an equidigital number, since it uses as much as digits as its factorization.

212495893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 212495893 is about 14577.2388674948. The cubic root of 212495893 is about 596.7377515189.

The spelling of 212495893 in words is "two hundred twelve million, four hundred ninety-five thousand, eight hundred ninety-three".