2015725 has 6 divisors (see below), whose sum is σ = 2499530. Its totient is φ = 1612560.

The previous prime is 2015701. The next prime is 2015731. The reversal of 2015725 is 5275102.

It can be written as a sum of positive squares in 3 ways, for example, as 149769 + 1865956 = 387^2 + 1366^2 .

It is not a de Polignac number, because 2015725 - 2⁹ = 2015213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2015696 and 2015705.

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 5 ways as a sum of consecutive naturals, for example, 40290 + ... + 40339.

2^2015725 is an apocalyptic number.

2015725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015725 is a deficient number, since it is larger than the sum of its proper divisors (483805).

2015725 is an equidigital number, since it uses as much as digits as its factorization.

2015725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80639 (or 80634 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 2015725 is about 1419.7623040495. The cubic root of 2015725 is about 126.3214476480.

The spelling of 2015725 in words is "two million, fifteen thousand, seven hundred twenty-five".