2053531 has 4 divisors (see below), whose sum is σ = 2059200. Its totient is φ = 2047864.

The previous prime is 2053529. The next prime is 2053553. The reversal of 2053531 is 1353502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1353502 = 2 ⋅676751.

It is a cyclic number.

It is not a de Polignac number, because 2053531 - 2¹ = 2053529 is a prime.

It is a super-2 number, since 2×2053531² = 8433979135922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2053499 and 2053508.

It is not an unprimeable number, because it can be changed into a prime (2053031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2251 + ... + 3028.

It is an arithmetic number, because the mean of its divisors is an integer number (514800).

2^2053531 is an apocalyptic number.

2053531 is a deficient number, since it is larger than the sum of its proper divisors (5669).

2053531 is an equidigital number, since it uses as much as digits as its factorization.

2053531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 2053531 is about 1433.0146544959. The cubic root of 2053531 is about 127.1063032086.

The spelling of 2053531 in words is "two million, fifty-three thousand, five hundred thirty-one".