85241331 has 48 divisors (see below), whose sum is σ = 146577600. Its totient is φ = 47698560.

The previous prime is 85241327. The next prime is 85241347. The reversal of 85241331 is 13314258.

It is a happy number.

85241331 is a `hidden beast` number, since 8 + 524 + 133 + 1 = 666.

It is not a de Polignac number, because 85241331 - 2² = 85241327 is a prime.

It is a super-2 number, since 2×85241331² = 14532169021303122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85241295 and 85241304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85241311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163351 + ... + 163871.

It is an arithmetic number, because the mean of its divisors is an integer number (3053700).

Almost surely, 2^85241331 is an apocalyptic number.

85241331 is a deficient number, since it is larger than the sum of its proper divisors (61336269).

85241331 is a wasteful number, since it uses less digits than its factorization.

85241331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 584 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 85241331 is about 9232.6231917045. The cubic root of 85241331 is about 440.0986882629.

Adding to 85241331 its reverse (13314258), we get a palindrome (98555589).

The spelling of 85241331 in words is "eighty-five million, two hundred forty-one thousand, three hundred thirty-one".