2125545 has 32 divisors (see below), whose sum is σ = 3642624. Its totient is φ = 1056000.

The previous prime is 2125537. The next prime is 2125553. The reversal of 2125545 is 5455212.

It is a happy number.

2125545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2125537) and next prime (2125553).

It is not a de Polignac number, because 2125545 - 2³ = 2125537 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20995 + ... + 21095.

It is an arithmetic number, because the mean of its divisors is an integer number (113832).

2^2125545 is an apocalyptic number.

It is an amenable number.

2125545 is a deficient number, since it is larger than the sum of its proper divisors (1517079).

2125545 is a wasteful number, since it uses less digits than its factorization.

2125545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193.

The product of its digits is 2000, while the sum is 24.

The square root of 2125545 is about 1457.9248951849. The cubic root of 2125545 is about 128.5750695618.

The spelling of 2125545 in words is "two million, one hundred twenty-five thousand, five hundred forty-five".