83825165 has 16 divisors (see below), whose sum is σ = 104036400. Its totient is φ = 64788480.

The previous prime is 83825153. The next prime is 83825173. The reversal of 83825165 is 56152838.

It can be written as a sum of positive squares in 8 ways, for example, as 5484964 + 78340201 = 2342^2 + 8851^2 .

It is not a de Polignac number, because 83825165 - 2⁶ = 83825101 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26045 + ... + 29085.

It is an arithmetic number, because the mean of its divisors is an integer number (6502275).

Almost surely, 2^83825165 is an apocalyptic number.

It is an amenable number.

83825165 is a deficient number, since it is larger than the sum of its proper divisors (20211235).

83825165 is a wasteful number, since it uses less digits than its factorization.

83825165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232.

The product of its digits is 57600, while the sum is 38.

The square root of 83825165 is about 9155.6083904894. The cubic root of 83825165 is about 437.6478564197.

The spelling of 83825165 in words is "eighty-three million, eight hundred twenty-five thousand, one hundred sixty-five".