82540203 has 16 divisors (see below), whose sum is σ = 111248640. Its totient is φ = 54433184.

The previous prime is 82540201. The next prime is 82540207. The reversal of 82540203 is 30204528.

It is a cyclic number.

It is not a de Polignac number, because 82540203 - 2¹ = 82540201 is a prime.

It is a super-2 number, since 2×82540203² = 13625770222562418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82540201) 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 15 ways as a sum of consecutive naturals, for example, 186100 + ... + 186542.

It is an arithmetic number, because the mean of its divisors is an integer number (6953040).

Almost surely, 2^82540203 is an apocalyptic number.

82540203 is a deficient number, since it is larger than the sum of its proper divisors (28708437).

82540203 is a wasteful number, since it uses less digits than its factorization.

82540203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 82540203 is about 9085.1638950544. The cubic root of 82540203 is about 435.4000863976.

The spelling of 82540203 in words is "eighty-two million, five hundred forty thousand, two hundred three".