40292543 has 2 divisors, whose sum is σ = 40292544. Its totient is φ = 40292542.

The previous prime is 40292537. The next prime is 40292557. The reversal of 40292543 is 34529204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40292543 - 2¹⁸ = 40030399 is a prime.

It is equal to p_2450396 and since 40292543 and 2450396 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40292503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20146271 + 20146272.

It is an arithmetic number, because the mean of its divisors is an integer number (20146272).

Almost surely, 2^40292543 is an apocalyptic number.

40292543 is a deficient number, since it is larger than the sum of its proper divisors (1).

40292543 is an equidigital number, since it uses as much as digits as its factorization.

40292543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40292543 is about 6347.6407428272. The cubic root of 40292543 is about 342.8269008461.

The spelling of 40292543 in words is "forty million, two hundred ninety-two thousand, five hundred forty-three".