212535443 has 2 divisors, whose sum is σ = 212535444. Its totient is φ = 212535442.

The previous prime is 212535409. The next prime is 212535487. The reversal of 212535443 is 344535212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212535443 - 2⁸ = 212535187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212535493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106267721 + 106267722.

It is an arithmetic number, because the mean of its divisors is an integer number (106267722).

Almost surely, 2^212535443 is an apocalyptic number.

212535443 is a deficient number, since it is larger than the sum of its proper divisors (1).

212535443 is an equidigital number, since it uses as much as digits as its factorization.

212535443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 29.

The square root of 212535443 is about 14578.5953712969. The cubic root of 212535443 is about 596.7747710799.

The spelling of 212535443 in words is "two hundred twelve million, five hundred thirty-five thousand, four hundred forty-three".