85270543 has 4 divisors (see below), whose sum is σ = 85301080. Its totient is φ = 85240008.

The previous prime is 85270541. The next prime is 85270583. The reversal of 85270543 is 34507258.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85270543 - 2¹ = 85270541 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85270499 and 85270508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85270541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10605 + ... + 16822.

It is an arithmetic number, because the mean of its divisors is an integer number (21325270).

Almost surely, 2^85270543 is an apocalyptic number.

85270543 is a deficient number, since it is larger than the sum of its proper divisors (30537).

85270543 is a wasteful number, since it uses less digits than its factorization.

85270543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30536.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 85270543 is about 9234.2050551198. The cubic root of 85270543 is about 440.1489561099.

The spelling of 85270543 in words is "eighty-five million, two hundred seventy thousand, five hundred forty-three".