395543 has 2 divisors, whose sum is σ = 395544. Its totient is φ = 395542.

The previous prime is 395537. The next prime is 395581. The reversal of 395543 is 345593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 395543 - 2⁸ = 395287 is a prime.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197771 + 197772.

It is an arithmetic number, because the mean of its divisors is an integer number (197772).

2³⁹⁵⁵⁴³ is an apocalyptic number.

395543 is a deficient number, since it is larger than the sum of its proper divisors (1).

395543 is an equidigital number, since it uses as much as digits as its factorization.

395543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 29.

The square root of 395543 is about 628.9220937445. The cubic root of 395543 is about 73.4059450671.

The spelling of 395543 in words is "three hundred ninety-five thousand, five hundred forty-three".