85340549 has 4 divisors (see below), whose sum is σ = 97532064. Its totient is φ = 73149036.

The previous prime is 85340473. The next prime is 85340581. The reversal of 85340549 is 94504358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85340549 - 2⁸ = 85340293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85340599) 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 3 ways as a sum of consecutive naturals, for example, 6095747 + ... + 6095760.

It is an arithmetic number, because the mean of its divisors is an integer number (24383016).

Almost surely, 2^85340549 is an apocalyptic number.

It is an amenable number.

85340549 is a deficient number, since it is larger than the sum of its proper divisors (12191515).

85340549 is a wasteful number, since it uses less digits than its factorization.

85340549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12191514.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 85340549 is about 9237.9948581930. The cubic root of 85340549 is about 440.2693753395.

The spelling of 85340549 in words is "eighty-five million, three hundred forty thousand, five hundred forty-nine".