82503903 has 8 divisors (see below), whose sum is σ = 111808816. Its totient is φ = 54100800.

The previous prime is 82503901. The next prime is 82503913. The reversal of 82503903 is 30930528.

It is a happy number.

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

It is not a de Polignac number, because 82503903 - 2¹ = 82503901 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 (82503901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225238 + ... + 225603.

It is an arithmetic number, because the mean of its divisors is an integer number (13976102).

Almost surely, 2^82503903 is an apocalyptic number.

82503903 is a deficient number, since it is larger than the sum of its proper divisors (29304913).

82503903 is a wasteful number, since it uses less digits than its factorization.

82503903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450905.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 82503903 is about 9083.1659128302. The cubic root of 82503903 is about 435.3362494629.

The spelling of 82503903 in words is "eighty-two million, five hundred three thousand, nine hundred three".