2053739 has 4 divisors (see below), whose sum is σ = 2143056. Its totient is φ = 1964424.

The previous prime is 2053721. The next prime is 2053757. The reversal of 2053739 is 9373502.

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 (2053721) and next prime (2053757).

It is a cyclic number.

It is not a de Polignac number, because 2053739 - 2¹² = 2049643 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 0 + 5⁹ + 3⁷ + 7² + 3¹⁰ + 9⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2053769) 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, 44624 + ... + 44669.

It is an arithmetic number, because the mean of its divisors is an integer number (535764).

2^2053739 is an apocalyptic number.

2053739 is a deficient number, since it is larger than the sum of its proper divisors (89317).

2053739 is an equidigital number, since it uses as much as digits as its factorization.

2053739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89316.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 2053739 is about 1433.0872269335. The cubic root of 2053739 is about 127.1105945518.

The spelling of 2053739 in words is "two million, fifty-three thousand, seven hundred thirty-nine".