85210041 has 48 divisors (see below), whose sum is σ = 142807040. Its totient is φ = 44102880.

The previous prime is 85210039. The next prime is 85210049. The reversal of 85210041 is 14001258.

It is not a de Polignac number, because 85210041 - 2¹ = 85210039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85210049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1026586 + ... + 1026668.

Almost surely, 2^85210041 is an apocalyptic number.

It is an amenable number.

85210041 is a deficient number, since it is larger than the sum of its proper divisors (57596999).

85210041 is a wasteful number, since it uses less digits than its factorization.

85210041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 85210041 is about 9230.9285015106. The cubic root of 85210041 is about 440.0448318644.

Adding to 85210041 its reverse (14001258), we get a palindrome (99211299).

The spelling of 85210041 in words is "eighty-five million, two hundred ten thousand, forty-one".