2115425 has 24 divisors (see below), whose sum is σ = 2958144. Its totient is φ = 1488960.

The previous prime is 2115397. The next prime is 2115427. The reversal of 2115425 is 5245112.

It is not a de Polignac number, because 2115425 - 2¹⁸ = 1853281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2115397 and 2115406.

It is not an unprimeable number, because it can be changed into a prime (2115427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7334 + ... + 7616.

It is an arithmetic number, because the mean of its divisors is an integer number (123256).

2^2115425 is an apocalyptic number.

2115425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2115425 is a deficient number, since it is larger than the sum of its proper divisors (842719).

2115425 is a wasteful number, since it uses less digits than its factorization.

2115425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 324 counting only the distinct ones).

The product of its digits is 400, while the sum is 20.

The square root of 2115425 is about 1454.4500678951. The cubic root of 2115425 is about 128.3706905730.

The spelling of 2115425 in words is "two million, one hundred fifteen thousand, four hundred twenty-five".