2125535 has 4 divisors (see below), whose sum is σ = 2550648. Its totient is φ = 1700424.

The previous prime is 2125531. The next prime is 2125537. The reversal of 2125535 is 5355212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2125535 - 2² = 2125531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212549 + ... + 212558.

It is an arithmetic number, because the mean of its divisors is an integer number (637662).

2^2125535 is an apocalyptic number.

2125535 is a deficient number, since it is larger than the sum of its proper divisors (425113).

2125535 is an equidigital number, since it uses as much as digits as its factorization.

2125535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425112.

The product of its digits is 1500, while the sum is 23.

The square root of 2125535 is about 1457.9214656490. The cubic root of 2125535 is about 128.5748679268.

The spelling of 2125535 in words is "two million, one hundred twenty-five thousand, five hundred thirty-five".