316400543 has 2 divisors, whose sum is σ = 316400544. Its totient is φ = 316400542.

The previous prime is 316400537. The next prime is 316400551. The reversal of 316400543 is 345004613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316400543 - 2⁶ = 316400479 is a prime.

It is a super-2 number, since 2×316400543² = 200218607221389698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316400503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158200271 + 158200272.

It is an arithmetic number, because the mean of its divisors is an integer number (158200272).

Almost surely, 2^316400543 is an apocalyptic number.

316400543 is a deficient number, since it is larger than the sum of its proper divisors (1).

316400543 is an equidigital number, since it uses as much as digits as its factorization.

316400543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 316400543 is about 17787.6514188917. The cubic root of 316400543 is about 681.4161253759.

The spelling of 316400543 in words is "three hundred sixteen million, four hundred thousand, five hundred forty-three".