2053697 has 4 divisors (see below), whose sum is σ = 2092500. Its totient is φ = 2014896.

The previous prime is 2053673. The next prime is 2053699. The reversal of 2053697 is 7963502.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1263376 + 790321 = 1124^2 + 889^2 .

It is a cyclic number.

It is not a de Polignac number, because 2053697 - 2¹⁸ = 1791553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053699) 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, 19322 + ... + 19427.

It is an arithmetic number, because the mean of its divisors is an integer number (523125).

2^2053697 is an apocalyptic number.

It is an amenable number.

2053697 is a deficient number, since it is larger than the sum of its proper divisors (38803).

2053697 is an equidigital number, since it uses as much as digits as its factorization.

2053697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38802.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 2053697 is about 1433.0725731797. The cubic root of 2053697 is about 127.1097280539.

The spelling of 2053697 in words is "two million, fifty-three thousand, six hundred ninety-seven".