106531543 has 2 divisors, whose sum is σ = 106531544. Its totient is φ = 106531542.

The previous prime is 106531519. The next prime is 106531567. The reversal of 106531543 is 345135601.

It is a balanced prime because it is at equal distance from previous prime (106531519) and next prime (106531567).

It is an emirp because it is prime and its reverse (345135601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106531543 - 2¹⁷ = 106400471 is a prime.

It is a super-2 number, since 2×106531543² = 22697939307921698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106531583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53265771 + 53265772.

It is an arithmetic number, because the mean of its divisors is an integer number (53265772).

Almost surely, 2^106531543 is an apocalyptic number.

106531543 is a deficient number, since it is larger than the sum of its proper divisors (1).

106531543 is an equidigital number, since it uses as much as digits as its factorization.

106531543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 106531543 is about 10321.4118704759. The cubic root of 106531543 is about 474.0520974505.

The spelling of 106531543 in words is "one hundred six million, five hundred thirty-one thousand, five hundred forty-three".