85414543 has 2 divisors, whose sum is σ = 85414544. Its totient is φ = 85414542.

The previous prime is 85414529. The next prime is 85414573. The reversal of 85414543 is 34541458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85414543 - 2⁹ = 85414031 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 85414499 and 85414508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85414513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42707271 + 42707272.

It is an arithmetic number, because the mean of its divisors is an integer number (42707272).

Almost surely, 2^85414543 is an apocalyptic number.

85414543 is a deficient number, since it is larger than the sum of its proper divisors (1).

85414543 is an equidigital number, since it uses as much as digits as its factorization.

85414543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 34.

The square root of 85414543 is about 9241.9988638822. The cubic root of 85414543 is about 440.3965828697.

The spelling of 85414543 in words is "eighty-five million, four hundred fourteen thousand, five hundred forty-three".