85153841 has 8 divisors (see below), whose sum is σ = 85921704. Its totient is φ = 84389760.

The previous prime is 85153823. The next prime is 85153847. The reversal of 85153841 is 14835158.

It can be written as a sum of positive squares in 4 ways, for example, as 9394225 + 75759616 = 3065^2 + 8704^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85153841 - 2¹⁰ = 85152817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85153847) 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 7 ways as a sum of consecutive naturals, for example, 60971 + ... + 62351.

It is an arithmetic number, because the mean of its divisors is an integer number (10740213).

Almost surely, 2^85153841 is an apocalyptic number.

It is an amenable number.

85153841 is a deficient number, since it is larger than the sum of its proper divisors (767863).

85153841 is a wasteful number, since it uses less digits than its factorization.

85153841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its digits is 19200, while the sum is 35.

The square root of 85153841 is about 9227.8838852686. The cubic root of 85153841 is about 439.9480672178.

Adding to 85153841 its reverse (14835158), we get a palindrome (99988999).

The spelling of 85153841 in words is "eighty-five million, one hundred fifty-three thousand, eight hundred forty-one".