2015425 has 12 divisors (see below), whose sum is σ = 2631280. Its totient is φ = 1527120.

The previous prime is 2015423. The next prime is 2015441. The reversal of 2015425 is 5245102.

It is not a de Polignac number, because 2015425 - 2¹ = 2015423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

2015425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2015423) 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, 1647 + ... + 2596.

2^2015425 is an apocalyptic number.

2015425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2015425 is a deficient number, since it is larger than the sum of its proper divisors (615855).

2015425 is a wasteful number, since it uses less digits than its factorization.

2015425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2015425 is about 1419.6566486302. The cubic root of 2015425 is about 126.3151805374.

The spelling of 2015425 in words is "two million, fifteen thousand, four hundred twenty-five".