2001925 has 6 divisors (see below), whose sum is σ = 2482418. Its totient is φ = 1601520.

The previous prime is 2001919. The next prime is 2001953. The reversal of 2001925 is 5291002.

It can be written as a sum of positive squares in 3 ways, for example, as 103041 + 1898884 = 321^2 + 1378^2 .

It is not a de Polignac number, because 2001925 - 2⁹ = 2001413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40014 + ... + 40063.

2^2001925 is an apocalyptic number.

2001925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2001925 is a deficient number, since it is larger than the sum of its proper divisors (480493).

2001925 is an equidigital number, since it uses as much as digits as its factorization.

2001925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80087 (or 80082 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2001925 is about 1414.8939889617. The cubic root of 2001925 is about 126.0325144946.

Adding to 2001925 its reverse (5291002), we get a palindrome (7292927).

It can be divided in two parts, 2001 and 925, that added together give a triangular number (2926 = T₇₆).

The spelling of 2001925 in words is "two million, one thousand, nine hundred twenty-five".