3400543 has 2 divisors, whose sum is σ = 3400544. Its totient is φ = 3400542.

The previous prime is 3400531. The next prime is 3400547. The reversal of 3400543 is 3450043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3400543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3400543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3400547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700271 + 1700272.

It is an arithmetic number, because the mean of its divisors is an integer number (1700272).

Almost surely, 2^3400543 is an apocalyptic number.

3400543 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400543 is an equidigital number, since it uses as much as digits as its factorization.

3400543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 3400543 is about 1844.0561271285. The cubic root of 3400543 is about 150.3774641568.

Adding to 3400543 its reverse (3450043), we get a palindrome (6850586).

The spelling of 3400543 in words is "three million, four hundred thousand, five hundred forty-three".