2053501 has 4 divisors (see below), whose sum is σ = 2161600. Its totient is φ = 1945404.

The previous prime is 2053459. The next prime is 2053507. The reversal of 2053501 is 1053502.

2053501 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2053501 - 2⁹ = 2052989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053507) 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, 54021 + ... + 54058.

It is an arithmetic number, because the mean of its divisors is an integer number (540400).

2^2053501 is an apocalyptic number.

It is an amenable number.

2053501 is a deficient number, since it is larger than the sum of its proper divisors (108099).

2053501 is a wasteful number, since it uses less digits than its factorization.

2053501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108098.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2053501 is about 1433.0041870141. The cubic root of 2053501 is about 127.1056842410.

Subtracting from 2053501 its product of nonzero digits (150), we obtain a triangular number (2053351 = T₂₀₂₆).

Subtracting from 2053501 its reverse (1053502), we obtain a palindrome (999999).

The spelling of 2053501 in words is "two million, fifty-three thousand, five hundred one".