2053613 has 4 divisors (see below), whose sum is σ = 2088480. Its totient is φ = 2018748.

The previous prime is 2053603. The next prime is 2053619. The reversal of 2053613 is 3163502.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3163502 = 2 ⋅1581751.

It is a cyclic number.

It is not a de Polignac number, because 2053613 - 2⁸ = 2053357 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 (2053619) 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, 17345 + ... + 17462.

It is an arithmetic number, because the mean of its divisors is an integer number (522120).

2^2053613 is an apocalyptic number.

It is an amenable number.

2053613 is a deficient number, since it is larger than the sum of its proper divisors (34867).

2053613 is an equidigital number, since it uses as much as digits as its factorization.

2053613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34866.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2053613 is about 1433.0432652227. The cubic root of 2053613 is about 127.1079950228.

The spelling of 2053613 in words is "two million, fifty-three thousand, six hundred thirteen".