2053381 has 4 divisors (see below), whose sum is σ = 2240064. Its totient is φ = 1866700.

The previous prime is 2053361. The next prime is 2053397. The reversal of 2053381 is 1833502.

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 not a de Polignac number, because 2053381 - 2⁷ = 2053253 is a prime.

It is a super-2 number, since 2×2053381² = 8432747062322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053361) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 93325 + ... + 93346.

It is an arithmetic number, because the mean of its divisors is an integer number (560016).

2^2053381 is an apocalyptic number.

It is an amenable number.

2053381 is a deficient number, since it is larger than the sum of its proper divisors (186683).

2053381 is a wasteful number, since it uses less digits than its factorization.

2053381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186682.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2053381 is about 1432.9623163224. The cubic root of 2053381 is about 127.1032083102.

Adding to 2053381 its reverse (1833502), we get a palindrome (3886883).

The spelling of 2053381 in words is "two million, fifty-three thousand, three hundred eighty-one".