43492543 has 2 divisors, whose sum is σ = 43492544. Its totient is φ = 43492542.

The previous prime is 43492507. The next prime is 43492549. The reversal of 43492543 is 34529434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43492543 - 2¹⁷ = 43361471 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 43492499 and 43492508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43492549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21746271 + 21746272.

It is an arithmetic number, because the mean of its divisors is an integer number (21746272).

Almost surely, 2^43492543 is an apocalyptic number.

43492543 is a deficient number, since it is larger than the sum of its proper divisors (1).

43492543 is an equidigital number, since it uses as much as digits as its factorization.

43492543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 34.

The square root of 43492543 is about 6594.8876411960. The cubic root of 43492543 is about 351.6723853231.

The spelling of 43492543 in words is "forty-three million, four hundred ninety-two thousand, five hundred forty-three".