85530243 has 8 divisors (see below), whose sum is σ = 114166800. Its totient is φ = 56956928.

The previous prime is 85530239. The next prime is 85530253. The reversal of 85530243 is 34203558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85530243 - 2² = 85530239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85530243.

It is not an unprimeable number, because it can be changed into a prime (85530233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12558 + ... + 18131.

It is an arithmetic number, because the mean of its divisors is an integer number (14270850).

Almost surely, 2^85530243 is an apocalyptic number.

85530243 is a deficient number, since it is larger than the sum of its proper divisors (28636557).

85530243 is a wasteful number, since it uses less digits than its factorization.

85530243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31621.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 85530243 is about 9248.2562140114. The cubic root of 85530243 is about 440.5953425238.

The spelling of 85530243 in words is "eighty-five million, five hundred thirty thousand, two hundred forty-three".