85102641 has 24 divisors (see below), whose sum is σ = 132752256. Its totient is φ = 52224480.

The previous prime is 85102637. The next prime is 85102649. The reversal of 85102641 is 14620158.

85102641 is a `hidden beast` number, since 8 + 5 + 10 + 2 + 641 = 666.

It is not a de Polignac number, because 85102641 - 2² = 85102637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85102649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53386 + ... + 54956.

It is an arithmetic number, because the mean of its divisors is an integer number (5531344).

Almost surely, 2^85102641 is an apocalyptic number.

It is an amenable number.

85102641 is a deficient number, since it is larger than the sum of its proper divisors (47649615).

85102641 is a wasteful number, since it uses less digits than its factorization.

85102641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 85102641 is about 9225.1092676456. The cubic root of 85102641 is about 439.8598744565.

Adding to 85102641 its reverse (14620158), we get a palindrome (99722799).

The spelling of 85102641 in words is "eighty-five million, one hundred two thousand, six hundred forty-one".