355541 has 2 divisors, whose sum is σ = 355542. Its totient is φ = 355540.

The previous prime is 355529. The next prime is 355549. The reversal of 355541 is 145553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271441 + 84100 = 521^2 + 290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355541 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177770 + 177771.

It is an arithmetic number, because the mean of its divisors is an integer number (177771).

2³⁵⁵⁵⁴¹ is an apocalyptic number.

It is an amenable number.

355541 is a deficient number, since it is larger than the sum of its proper divisors (1).

355541 is an equidigital number, since it uses as much as digits as its factorization.

355541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1500, while the sum is 23.

The square root of 355541 is about 596.2725886707. The cubic root of 355541 is about 70.8429378749.

The spelling of 355541 in words is "three hundred fifty-five thousand, five hundred forty-one".