85631041 has 4 divisors (see below), whose sum is σ = 86837184. Its totient is φ = 84424900.

The previous prime is 85631033. The next prime is 85631053. The reversal of 85631041 is 14013658.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14013658 = 2 ⋅7006829.

It is a cyclic number.

It is not a de Polignac number, because 85631041 - 2³ = 85631033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85631141) 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, 602965 + ... + 603106.

It is an arithmetic number, because the mean of its divisors is an integer number (21709296).

Almost surely, 2^85631041 is an apocalyptic number.

It is an amenable number.

85631041 is a deficient number, since it is larger than the sum of its proper divisors (1206143).

85631041 is a wasteful number, since it uses less digits than its factorization.

85631041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206142.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 85631041 is about 9253.7041772471. The cubic root of 85631041 is about 440.7683561577.

Adding to 85631041 its reverse (14013658), we get a palindrome (99644699).

It can be divided in two parts, 8563 and 1041, that added together give a square (9604 = 98²).

The spelling of 85631041 in words is "eighty-five million, six hundred thirty-one thousand, forty-one".