40532543 has 2 divisors, whose sum is σ = 40532544. Its totient is φ = 40532542.

The previous prime is 40532497. The next prime is 40532599. The reversal of 40532543 is 34523504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40532543 - 2⁸ = 40532287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40535543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20266271 + 20266272.

It is an arithmetic number, because the mean of its divisors is an integer number (20266272).

Almost surely, 2^40532543 is an apocalyptic number.

40532543 is a deficient number, since it is larger than the sum of its proper divisors (1).

40532543 is an equidigital number, since it uses as much as digits as its factorization.

40532543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 40532543 is about 6366.5173368177. The cubic root of 40532543 is about 343.5062294628.

The spelling of 40532543 in words is "forty million, five hundred thirty-two thousand, five hundred forty-three".