2053523 has 4 divisors (see below), whose sum is σ = 2060520. Its totient is φ = 2046528.

The previous prime is 2053517. The next prime is 2053529. The reversal of 2053523 is 3253502.

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

It is an interprime number because it is at equal distance from previous prime (2053517) and next prime (2053529).

It is a cyclic number.

It is not a de Polignac number, because 2053523 - 2⁴ = 2053507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2053495 and 2053504.

It is not an unprimeable number, because it can be changed into a prime (2053529) 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, 3038 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (515130).

2^2053523 is an apocalyptic number.

2053523 is a deficient number, since it is larger than the sum of its proper divisors (6997).

2053523 is an equidigital number, since it uses as much as digits as its factorization.

2053523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6996.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 2053523 is about 1433.0118631749. The cubic root of 2053523 is about 127.1061381512.

The spelling of 2053523 in words is "two million, fifty-three thousand, five hundred twenty-three".