2013543253 has 2 divisors, whose sum is σ = 2013543254. Its totient is φ = 2013543252.

The previous prime is 2013543187. The next prime is 2013543263. The reversal of 2013543253 is 3523453102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1955143089 + 58400164 = 44217^2 + 7642^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013543253 - 2¹³ = 2013535061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013543263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006771626 + 1006771627.

It is an arithmetic number, because the mean of its divisors is an integer number (1006771627).

Almost surely, 2^2013543253 is an apocalyptic number.

It is an amenable number.

2013543253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013543253 is an equidigital number, since it uses as much as digits as its factorization.

2013543253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2013543253 is about 44872.5222491449. The cubic root of 2013543253 is about 1262.7585595717.

Adding to 2013543253 its reverse (3523453102), we get a palindrome (5536996355).

The spelling of 2013543253 in words is "two billion, thirteen million, five hundred forty-three thousand, two hundred fifty-three".