83591141 has 4 divisors (see below), whose sum is σ = 85008000. Its totient is φ = 82174284.

The previous prime is 83591117. The next prime is 83591147. The reversal of 83591141 is 14119538.

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 83591141 - 2¹⁸ = 83328997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83591098 and 83591107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83591147) 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, 708341 + ... + 708458.

It is an arithmetic number, because the mean of its divisors is an integer number (21252000).

Almost surely, 2^83591141 is an apocalyptic number.

It is an amenable number.

83591141 is a deficient number, since it is larger than the sum of its proper divisors (1416859).

83591141 is a wasteful number, since it uses less digits than its factorization.

83591141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416858.

The product of its digits is 4320, while the sum is 32.

The square root of 83591141 is about 9142.8190947869. The cubic root of 83591141 is about 437.2402001486.

The spelling of 83591141 in words is "eighty-three million, five hundred ninety-one thousand, one hundred forty-one".