83525818 has 8 divisors (see below), whose sum is σ = 127158912. Its totient is φ = 41139516.

The previous prime is 83525807. The next prime is 83525839. The reversal of 83525818 is 81852538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311530 + ... + 311797.

It is an arithmetic number, because the mean of its divisors is an integer number (15894864).

Almost surely, 2^83525818 is an apocalyptic number.

83525818 is a deficient number, since it is larger than the sum of its proper divisors (43633094).

83525818 is a wasteful number, since it uses less digits than its factorization.

83525818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623396.

The product of its digits is 76800, while the sum is 40.

The square root of 83525818 is about 9139.2460301712. The cubic root of 83525818 is about 437.1262754574.

The spelling of 83525818 in words is "eighty-three million, five hundred twenty-five thousand, eight hundred eighteen".