340541 has 2 divisors, whose sum is σ = 340542. Its totient is φ = 340540.

The previous prime is 340519. The next prime is 340559. The reversal of 340541 is 145043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 21316 = 565^2 + 146^2 .

It is an emirp because it is prime and its reverse (145043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340541 - 2⁶ = 340477 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 (340591) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170270 + 170271.

It is an arithmetic number, because the mean of its divisors is an integer number (170271).

2³⁴⁰⁵⁴¹ is an apocalyptic number.

It is an amenable number.

340541 is a deficient number, since it is larger than the sum of its proper divisors (1).

340541 is an equidigital number, since it uses as much as digits as its factorization.

340541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 340541 is about 583.5589087659. The cubic root of 340541 is about 69.8323197425.

Adding to 340541 its reverse (145043), we get a palindrome (485584).

The spelling of 340541 in words is "three hundred forty thousand, five hundred forty-one".