83215042 has 8 divisors (see below), whose sum is σ = 124870032. Its totient is φ = 41591700.

The previous prime is 83215037. The next prime is 83215049. The reversal of 83215042 is 24051238.

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

It is a junction number, because it is equal to n+sod(n) for n = 83214998 and 83215016.

It is not an unprimeable number, because it can be changed into a prime (83215049) by changing a digit.

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, 417 + ... + 12907.

It is an arithmetic number, because the mean of its divisors is an integer number (15608754).

Almost surely, 2^83215042 is an apocalyptic number.

83215042 is a deficient number, since it is larger than the sum of its proper divisors (41654990).

83215042 is a wasteful number, since it uses less digits than its factorization.

83215042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15824.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 83215042 is about 9122.2279076989. The cubic root of 83215042 is about 436.5834605041.

The spelling of 83215042 in words is "eighty-three million, two hundred fifteen thousand, forty-two".