83521875 has 48 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 43500000.

The previous prime is 83521847. The next prime is 83521897. The reversal of 83521875 is 57812538.

It is not a de Polignac number, because 83521875 - 2⁶ = 83521811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 553050 + ... + 553200.

It is an arithmetic number, because the mean of its divisors is an integer number (2968560).

Almost surely, 2^83521875 is an apocalyptic number.

83521875 is a deficient number, since it is larger than the sum of its proper divisors (58969005).

83521875 is an equidigital number, since it uses as much as digits as its factorization.

83521875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 218 counting only the distinct ones).

The product of its digits is 67200, while the sum is 39.

The square root of 83521875 is about 9139.0303096116. The cubic root of 83521875 is about 437.1193968815.

The spelling of 83521875 in words is "eighty-three million, five hundred twenty-one thousand, eight hundred seventy-five".