2013653 has 2 divisors, whose sum is σ = 2013654. Its totient is φ = 2013652.

The previous prime is 2013619. The next prime is 2013659. The reversal of 2013653 is 3563102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1697809 + 315844 = 1303^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013653 - 2⁶ = 2013589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006826 + 1006827.

It is an arithmetic number, because the mean of its divisors is an integer number (1006827).

2^2013653 is an apocalyptic number.

It is an amenable number.

2013653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013653 is an equidigital number, since it uses as much as digits as its factorization.

2013653 is an evil number, because the sum of its binary digits is even.

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

The square root of 2013653 is about 1419.0324168249. The cubic root of 2013653 is about 126.2781501128.

Adding to 2013653 its reverse (3563102), we get a palindrome (5576755).

The spelling of 2013653 in words is "two million, thirteen thousand, six hundred fifty-three".