83203013 has 4 divisors (see below), whose sum is σ = 83259168. Its totient is φ = 83146860.

The previous prime is 83202971. The next prime is 83203027. The reversal of 83203013 is 31030238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31030238 = 2 ⋅15515119.

It is a cyclic number.

It is not a de Polignac number, because 83203013 - 2⁶ = 83202949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83203613) 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, 25793 + ... + 28838.

It is an arithmetic number, because the mean of its divisors is an integer number (20814792).

Almost surely, 2^83203013 is an apocalyptic number.

It is an amenable number.

83203013 is a deficient number, since it is larger than the sum of its proper divisors (56155).

83203013 is a wasteful number, since it uses less digits than its factorization.

83203013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56154.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 83203013 is about 9121.5685602861. The cubic root of 83203013 is about 436.5624229794.

The spelling of 83203013 in words is "eighty-three million, two hundred three thousand, thirteen".