82113803 has 4 divisors (see below), whose sum is σ = 83036520. Its totient is φ = 81191088.

The previous prime is 82113743. The next prime is 82113817. The reversal of 82113803 is 30831128.

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 82113803 - 2⁶ = 82113739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82113853) 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, 461225 + ... + 461402.

It is an arithmetic number, because the mean of its divisors is an integer number (20759130).

Almost surely, 2^82113803 is an apocalyptic number.

82113803 is a deficient number, since it is larger than the sum of its proper divisors (922717).

82113803 is an equidigital number, since it uses as much as digits as its factorization.

82113803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922716.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 82113803 is about 9061.6666789283. Note that the first 4 decimals coincide. The cubic root of 82113803 is about 434.6490373897.

The spelling of 82113803 in words is "eighty-two million, one hundred thirteen thousand, eight hundred three".