2113425 has 48 divisors (see below), whose sum is σ = 4047360. Its totient is φ = 1080000.

The previous prime is 2113421. The next prime is 2113451. The reversal of 2113425 is 5243112.

It is not a de Polignac number, because 2113425 - 2² = 2113421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2113398 and 2113407.

It is not an unprimeable number, because it can be changed into a prime (2113421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20875 + ... + 20975.

It is an arithmetic number, because the mean of its divisors is an integer number (84320).

2^2113425 is an apocalyptic number.

2113425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2113425 is a deficient number, since it is larger than the sum of its proper divisors (1933935).

2113425 is a wasteful number, since it uses less digits than its factorization.

2113425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 140 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 2113425 is about 1453.7623602226. The cubic root of 2113425 is about 128.3302223717.

Adding to 2113425 its reverse (5243112), we get a palindrome (7356537).

The spelling of 2113425 in words is "two million, one hundred thirteen thousand, four hundred twenty-five".