205470443 has 2 divisors, whose sum is σ = 205470444. Its totient is φ = 205470442.

The previous prime is 205470439. The next prime is 205470457. The reversal of 205470443 is 344074502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205470443 - 2² = 205470439 is a prime.

It is a super-4 number, since 4×205470443⁴ (a number of 34 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (205470943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102735221 + 102735222.

It is an arithmetic number, because the mean of its divisors is an integer number (102735222).

Almost surely, 2^205470443 is an apocalyptic number.

205470443 is a deficient number, since it is larger than the sum of its proper divisors (1).

205470443 is an equidigital number, since it uses as much as digits as its factorization.

205470443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 205470443 is about 14334.2402309993. The cubic root of 205470443 is about 590.0875509260.

The spelling of 205470443 in words is "two hundred five million, four hundred seventy thousand, four hundred forty-three".