203041005 has 16 divisors (see below), whose sum is σ = 326519424. Its totient is φ = 107737280.

The previous prime is 203040899. The next prime is 203041031. The reversal of 203041005 is 500140302.

It is not a de Polignac number, because 203041005 - 2¹² = 203036909 is a prime.

It is a super-2 number, since 2×203041005² = 82451299422820050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 31401 + ... + 37310.

It is an arithmetic number, because the mean of its divisors is an integer number (20407464).

Almost surely, 2^203041005 is an apocalyptic number.

It is an amenable number.

203041005 is a deficient number, since it is larger than the sum of its proper divisors (123478419).

203041005 is a wasteful number, since it uses less digits than its factorization.

203041005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68916.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 203041005 is about 14249.2457695136. The cubic root of 203041005 is about 587.7526349717.

Adding to 203041005 its reverse (500140302), we get a palindrome (703181307).

The spelling of 203041005 in words is "two hundred three million, forty-one thousand, five".