83825583 has 4 divisors (see below), whose sum is σ = 111767448. Its totient is φ = 55883720.

The previous prime is 83825563. The next prime is 83825591. The reversal of 83825583 is 38552838.

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

It is a cyclic number.

It is not a de Polignac number, because 83825583 - 2⁸ = 83825327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83825503) 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, 13970928 + ... + 13970933.

It is an arithmetic number, because the mean of its divisors is an integer number (27941862).

Almost surely, 2^83825583 is an apocalyptic number.

83825583 is a deficient number, since it is larger than the sum of its proper divisors (27941865).

83825583 is a wasteful number, since it uses less digits than its factorization.

83825583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27941864.

The product of its digits is 230400, while the sum is 42.

The square root of 83825583 is about 9155.6312179991. The cubic root of 83825583 is about 437.6485838723.

The spelling of 83825583 in words is "eighty-three million, eight hundred twenty-five thousand, five hundred eighty-three".