83971003 has 4 divisors (see below), whose sum is σ = 84632320. Its totient is φ = 83309688.

The previous prime is 83971001. The next prime is 83971009. The reversal of 83971003 is 30017938.

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 83971003 - 2¹ = 83971001 is a prime.

It is a super-2 number, since 2×83971003² = 14102258689652018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83971001) 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, 330468 + ... + 330721.

It is an arithmetic number, because the mean of its divisors is an integer number (21158080).

Almost surely, 2^83971003 is an apocalyptic number.

83971003 is a deficient number, since it is larger than the sum of its proper divisors (661317).

83971003 is a wasteful number, since it uses less digits than its factorization.

83971003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661316.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 83971003 is about 9163.5693373270. The cubic root of 83971003 is about 437.9015141745.

The spelling of 83971003 in words is "eighty-three million, nine hundred seventy-one thousand, three".