2015925 has 12 divisors (see below), whose sum is σ = 3333120. Its totient is φ = 1075120.

The previous prime is 2015921. The next prime is 2015933. The reversal of 2015925 is 5295102.

It is not a de Polignac number, because 2015925 - 2² = 2015921 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2015895 and 2015904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015921) 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, 13365 + ... + 13514.

It is an arithmetic number, because the mean of its divisors is an integer number (277760).

2^2015925 is an apocalyptic number.

2015925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015925 is a deficient number, since it is larger than the sum of its proper divisors (1317195).

2015925 is a wasteful number, since it uses less digits than its factorization.

2015925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26892 (or 26887 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2015925 is about 1419.8327366278. The cubic root of 2015925 is about 126.3256253763.

The spelling of 2015925 in words is "two million, fifteen thousand, nine hundred twenty-five".