340533543 has 16 divisors (see below), whose sum is σ = 535648256. Its totient is φ = 188313120.

The previous prime is 340533521. The next prime is 340533563. The reversal of 340533543 is 345335043.

It is not a de Polignac number, because 340533543 - 2¹⁰ = 340532519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340533543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340533563) 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 in 15 ways as a sum of consecutive naturals, for example, 260896 + ... + 262197.

It is an arithmetic number, because the mean of its divisors is an integer number (33478016).

Almost surely, 2^340533543 is an apocalyptic number.

340533543 is a deficient number, since it is larger than the sum of its proper divisors (195114713).

340533543 is a wasteful number, since it uses less digits than its factorization.

340533543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523134.

The product of its (nonzero) digits is 32400, while the sum is 30.

The square root of 340533543 is about 18453.5509590973. The cubic root of 340533543 is about 698.3181002076.

Adding to 340533543 its reverse (345335043), we get a palindrome (685868586).

The spelling of 340533543 in words is "three hundred forty million, five hundred thirty-three thousand, five hundred forty-three".