83531141 has 4 divisors (see below), whose sum is σ = 84358284. Its totient is φ = 82704000.

The previous prime is 83531131. The next prime is 83531159. The reversal of 83531141 is 14113538.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57988225 + 25542916 = 7615^2 + 5054^2 .

It is a cyclic number.

It is not a de Polignac number, because 83531141 - 2¹⁴ = 83514757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 83531141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83531131) 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, 413420 + ... + 413621.

It is an arithmetic number, because the mean of its divisors is an integer number (21089571).

Almost surely, 2^83531141 is an apocalyptic number.

It is an amenable number.

83531141 is a deficient number, since it is larger than the sum of its proper divisors (827143).

83531141 is a wasteful number, since it uses less digits than its factorization.

83531141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827142.

The product of its digits is 1440, while the sum is 26.

The square root of 83531141 is about 9139.5372421146. The cubic root of 83531141 is about 437.1355611042.

Adding to 83531141 its reverse (14113538), we get a palindrome (97644679).

The spelling of 83531141 in words is "eighty-three million, five hundred thirty-one thousand, one hundred forty-one".