404116543 has 2 divisors, whose sum is σ = 404116544. Its totient is φ = 404116542.

The previous prime is 404116511. The next prime is 404116549. The reversal of 404116543 is 345611404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404116543 - 2⁵ = 404116511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404116549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202058271 + 202058272.

It is an arithmetic number, because the mean of its divisors is an integer number (202058272).

Almost surely, 2^404116543 is an apocalyptic number.

404116543 is a deficient number, since it is larger than the sum of its proper divisors (1).

404116543 is an equidigital number, since it uses as much as digits as its factorization.

404116543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 404116543 is about 20102.6501486744. The cubic root of 404116543 is about 739.3252572379.

Adding to 404116543 its reverse (345611404), we get a palindrome (749727947).

The spelling of 404116543 in words is "four hundred four million, one hundred sixteen thousand, five hundred forty-three".