85642341 has 4 divisors (see below), whose sum is σ = 114189792. Its totient is φ = 57094892.

The previous prime is 85642339. The next prime is 85642351. The reversal of 85642341 is 14324658.

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.

It is a cyclic number.

It is not a de Polignac number, because 85642341 - 2¹ = 85642339 is a prime.

It is a super-2 number, since 2×85642341² = 14669221143920562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85642301) 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 3 ways as a sum of consecutive naturals, for example, 14273721 + ... + 14273726.

It is an arithmetic number, because the mean of its divisors is an integer number (28547448).

Almost surely, 2^85642341 is an apocalyptic number.

It is an amenable number.

85642341 is a deficient number, since it is larger than the sum of its proper divisors (28547451).

85642341 is a wasteful number, since it uses less digits than its factorization.

85642341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28547450.

The product of its digits is 23040, while the sum is 33.

The square root of 85642341 is about 9254.3147234142. The cubic root of 85642341 is about 440.7877434551.

Adding to 85642341 its reverse (14324658), we get a palindrome (99966999).

The spelling of 85642341 in words is "eighty-five million, six hundred forty-two thousand, three hundred forty-one".