2003975 has 12 divisors (see below), whose sum is σ = 2522160. Its totient is φ = 1579200.

The previous prime is 2003971. The next prime is 2003999. The reversal of 2003975 is 5793002.

2003975 = 41² + 42² + ... + 182².

It is not a de Polignac number, because 2003975 - 2² = 2003971 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1211 + ... + 2339.

It is an arithmetic number, because the mean of its divisors is an integer number (210180).

2^2003975 is an apocalyptic number.

2003975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2003975 is a deficient number, since it is larger than the sum of its proper divisors (518185).

2003975 is a wasteful number, since it uses less digits than its factorization.

2003975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 2003975 is about 1415.6182394982. The cubic root of 2003975 is about 126.0755195213.

Adding to 2003975 its reverse (5793002), we get a palindrome (7796977).

The spelling of 2003975 in words is "two million, three thousand, nine hundred seventy-five".