355559 has 2 divisors, whose sum is σ = 355560. Its totient is φ = 355558.

The previous prime is 355549. The next prime is 355571. The reversal of 355559 is 955553.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355559 - 2¹⁶ = 290023 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177779 + 177780.

It is an arithmetic number, because the mean of its divisors is an integer number (177780).

2³⁵⁵⁵⁵⁹ is an apocalyptic number.

355559 is a deficient number, since it is larger than the sum of its proper divisors (1).

355559 is an equidigital number, since it uses as much as digits as its factorization.

355559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16875, while the sum is 32.

The square root of 355559 is about 596.2876822474. The cubic root of 355559 is about 70.8441333782.

The spelling of 355559 in words is "three hundred fifty-five thousand, five hundred fifty-nine".