2013925 has 6 divisors (see below), whose sum is σ = 2497298. Its totient is φ = 1611120.

The previous prime is 2013923. The next prime is 2013937. The reversal of 2013925 is 5293102.

It can be written as a sum of positive squares in 3 ways, for example, as 161604 + 1852321 = 402^2 + 1361^2 .

It is not a de Polignac number, because 2013925 - 2¹ = 2013923 is a prime.

It is a Duffinian number.

2013925 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2013896 and 2013905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40254 + ... + 40303.

2^2013925 is an apocalyptic number.

2013925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2013925 is a deficient number, since it is larger than the sum of its proper divisors (483373).

2013925 is an equidigital number, since it uses as much as digits as its factorization.

2013925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80567 (or 80562 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2013925 is about 1419.1282535416. The cubic root of 2013925 is about 126.2838356522.

It can be divided in two parts, 20139 and 25, that added together give a square (20164 = 142²).

The spelling of 2013925 in words is "two million, thirteen thousand, nine hundred twenty-five".