2130825 has 12 divisors (see below), whose sum is σ = 3523088. Its totient is φ = 1136400.

The previous prime is 2130809. The next prime is 2130853. The reversal of 2130825 is 5280312.

It is not a de Polignac number, because 2130825 - 2⁴ = 2130809 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 1 + 3¹¹ + 0 + 8 + 2⁹ + 5⁹ .

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14131 + ... + 14280.

2^2130825 is an apocalyptic number.

2130825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2130825 is a deficient number, since it is larger than the sum of its proper divisors (1392263).

2130825 is a wasteful number, since it uses less digits than its factorization.

2130825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28424 (or 28419 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2130825 is about 1459.7345649124. The cubic root of 2130825 is about 128.6814446353.

The spelling of 2130825 in words is "two million, one hundred thirty thousand, eight hundred twenty-five".