2105425 has 24 divisors (see below), whose sum is σ = 3053376. Its totient is φ = 1410240.

The previous prime is 2105419. The next prime is 2105431. The reversal of 2105425 is 5245012.

It is an interprime number because it is at equal distance from previous prime (2105419) and next prime (2105431).

It is not a de Polignac number, because 2105425 - 2³ = 2105417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9162 + ... + 9388.

It is an arithmetic number, because the mean of its divisors is an integer number (127224).

2^2105425 is an apocalyptic number.

2105425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2105425 is a deficient number, since it is larger than the sum of its proper divisors (947951).

2105425 is a wasteful number, since it uses less digits than its factorization.

2105425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 292 counting only the distinct ones).

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

The square root of 2105425 is about 1451.0082701349. The cubic root of 2105425 is about 128.1680937730.

The spelling of 2105425 in words is "two million, one hundred five thousand, four hundred twenty-five".